{"id":89292,"date":"2026-08-02T20:17:51","date_gmt":"2026-08-02T12:17:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89292.html"},"modified":"2026-08-02T20:17:51","modified_gmt":"2026-08-02T12:17:51","slug":"%e9%9b%b6%e5%9f%ba%e7%a1%80%e7%8e%a9%e8%bd%acbwapp%e9%9d%b6%e5%9c%ba%ef%bc%88%e4%b8%89%e5%8d%81%e4%ba%8c%ef%bc%89%ef%bc%9abroken-auth-captcha-bypassing","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89292.html","title":{"rendered":"\u96f6\u57fa\u7840\u73a9\u8f6cbWAPP\u9776\u573a\uff08\u4e09\u5341\u4e8c\uff09\uff1aBroken Auth. - CAPTCHA Bypassing"},"content":{"rendered":"

\u6458\u8981：\u8fd9\u662f bWAPP \u7cfb\u5217\u7b2c\u4e09\u5341\u4e8c\u7bc7，\u805a\u7126\u4e8e Broken Auth. – CAPTCHA Bypassing（\u9a8c\u8bc1\u7801\u7ed5\u8fc7）\u3002\u548c\u4e4b\u524d\u6240\u6709\u7684\u6ce8\u5165\u7c7b\u6f0f\u6d1e\u4e0d\u540c，\u8fd9\u4e00\u5173\u662f\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u767b\u5f55\u9875\u9762\u52a0\u4e86\u9a8c\u8bc1\u7801，\u672c\u610f\u662f\u9632\u6b62\u66b4\u529b\u7834\u89e3，\u4f46\u56e0\u4e3a\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u903b\u8f91\u6709\u7f3a\u9677，\u5bfc\u81f4\u653b\u51fb\u8005\u53ef\u4ee5\u591a\u6b21\u5c1d\u8bd5\u5bc6\u7801\u800c\u4e0d\u7528\u91cd\u65b0\u8f93\u5165\u9a8c\u8bc1\u7801\u3002\u6587\u7ae0\u4f1a\u5206\u6790\u4e09\u79cd\u5b89\u5168\u7ea7\u522b\u7684\u6e90\u7801\u5dee\u5f02，\u6f14\u793a\u5982\u4f55\u901a\u8fc7 Burp Suite \u6293\u5305\u7206\u7834\u5bc6\u7801，\u540c\u65f6\u89e3\u91ca\u9a8c\u8bc1\u7801\u5e94\u8be5\u600e\u4e48\u8bbe\u8ba1\u624d\u80fd\u6709\u6548\u9632\u5fa1\u3002\u9644\u771f\u5b9e\u6848\u4f8b\u3002<\/p>\n

\n

\u4e00\u3001\u627e\u76ee\u6807<\/h3>\n\n\u76ee\u6807\u8bf4\u660e<\/tr>\n\n\n\n\n\n
\u653b\u51fb\u9762<\/td>\n\u767b\u5f55\u8868\u5355<\/td>\n<\/tr>\n
\u9632\u62a4\u673a\u5236<\/td>\nCAPTCHA（\u9a8c\u8bc1\u7801）<\/td>\n<\/tr>\n
\u6f0f\u6d1e\u7c7b\u578b<\/td>\n\u8ba4\u8bc1\u7ed5\u8fc7\u2014\u2014\u9a8c\u8bc1\u7801\u53ef\u91cd\u590d\u4f7f\u7528<\/td>\n<\/tr>\n
\u6700\u7ec8\u76ee\u6807<\/td>\n\u7ed5\u8fc7\u9a8c\u8bc1\u7801\u9650\u5236，\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u767b\u5f55\u6210\u529f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u4e8c\u3001\u524d\u8a00：\u8fd9\u4e0d\u662f\u6ce8\u5165，\u8fd9\u662f\u8ba4\u8bc1\u7ed5\u8fc7<\/h3>\n

\u5982\u679c\u4f60\u4e00\u8def\u8ddf\u5230\u8fd9\u4e2a\u7cfb\u5217，\u524d\u9762\u4e09\u5341\u591a\u7bc7\u5168\u662f\u5404\u79cd\u6ce8\u5165\u2014\u2014SQL \u6ce8\u5165\u3001XPath \u6ce8\u5165\u3001\u547d\u4ee4\u6ce8\u5165\u2026\u2026\u90fd\u662f\u901a\u8fc7\u201c\u6ce8\u5165\u4ee3\u7801\u201d\u6765\u653b\u51fb\u3002<\/p>\n

\u8fd9\u4e00\u5173\u5b8c\u5168\u4e0d\u4e00\u6837\u4e86\u2014\u2014\u6ca1\u6709\u6ce8\u5165\u70b9\u3002<\/p>\n

\u8fd9\u662f\u4e00\u4e2a\u767b\u5f55\u9875\u9762，\u6709\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u9a8c\u8bc1\u7801\u4e09\u4e2a\u8f93\u5165\u6846\u3002\u6b63\u5e38\u7528\u6237\u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u5bc6\u7801\u548c\u9a8c\u8bc1\u7801\u5c31\u80fd\u767b\u5f55\u3002<\/p>\n

\u9a8c\u8bc1\u7801\u7684\u4f5c\u7528：\u9632\u6b62\u653b\u51fb\u8005\u7528\u811a\u672c\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u2014\u2014\u56e0\u4e3a\u6bcf\u6b21\u767b\u5f55\u90fd\u9700\u8981\u8f93\u5165\u9a8c\u8bc1\u7801，\u800c\u9a8c\u8bc1\u7801\u6bcf\u6b21\u4e0d\u540c，\u81ea\u52a8\u5316\u811a\u672c\u5f88\u96be\u5904\u7406\u3002<\/p>\n

\u4f46\u95ee\u9898\u6765\u4e86：\u5982\u679c\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e\u6ca1\u6709\u88ab\u9500\u6bc1，\u90a3\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u9a8c\u8bc1\u7801\u5c1d\u8bd5\u65e0\u6570\u6b21\u5bc6\u7801\u3002<\/p>\n

\u8fd9\u5c31\u662f\u9a8c\u8bc1\u7801\u7ed5\u8fc7\u3002<\/p>\n

\n

\u4e09\u3001\u5173\u5361\u4ecb\u7ecd<\/h3>\n

3.1 \u9875\u9762\u529f\u80fd<\/h4>\n

\u6253\u5f00\u8fd9\u4e00\u5173，\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u767b\u5f55\u9875\u9762：<\/p>\n

    \n
  • \n

    \u6807\u9898：Broken Auth. – CAPTCHA Bypassing<\/p>\n<\/li>\n

  • \n

    \u4e09\u4e2a\u8f93\u5165\u6846：Login\u3001Password\u3001Re-enter CAPTCHA<\/p>\n<\/li>\n

  • \n

    \u4e00\u4e2a \u201cLogin\u201d \u6309\u94ae<\/p>\n<\/li>\n

  • \n

    \u9875\u9762\u63d0\u793a\u9ed8\u8ba4\u8d26\u53f7\u5bc6\u7801\u662f bee\/bug<\/p>\n<\/li>\n<\/ul>\n

    \"\"<\/p>\n

    3.2 \u6b63\u5e38\u767b\u5f55\u6d41\u7a0b<\/h4>\n
      \n
    • \n

      \u8f93\u5165\u6b63\u786e\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801（bee \/ bug）<\/p>\n<\/li>\n

    • \n

      \u8f93\u5165\u9a8c\u8bc1\u7801（\u56fe\u7247\u91cc\u663e\u793a\u7684\u5185\u5bb9）<\/p>\n<\/li>\n

    • \n

      \u70b9 Login<\/p>\n<\/li>\n

    • \n

      \u767b\u5f55\u6210\u529f，\u663e\u793a \u201cSuccessful login!\u201d<\/p>\n<\/li>\n<\/ul>\n

      \u9a8c\u8bc1\u7801\u7684\u4f5c\u7528：\u6bcf\u6b21\u5237\u65b0\u9875\u9762，\u9a8c\u8bc1\u7801\u56fe\u7247\u4f1a\u53d8\u3002\u6b63\u5e38\u7528\u6237\u6bcf\u6b21\u767b\u5f55\u90fd\u8981\u91cd\u65b0\u8f93\u5165\u9a8c\u8bc1\u7801\u3002<\/p>\n

      \n

      \u56db\u3001\u6838\u5fc3\u77e5\u8bc6：CAPTCHA \u662f\u4ec0\u4e48？<\/h3>\n

      4.1 CAPTCHA \u7684\u5b9a\u4e49<\/h4>\n

      CAPTCHA（Completely Automated Public Turing test to tell Computers and Humans Apart）\u2014\u2014\u5168\u81ea\u52a8\u533a\u5206\u8ba1\u7b97\u673a\u548c\u4eba\u7c7b\u7684\u56fe\u7075\u6d4b\u8bd5\u3002<\/p>\n

      \u8bf4\u767d\u4e86\u5c31\u662f：\u7528\u6765\u5224\u65ad\u4f60\u662f\u4eba\u8fd8\u662f\u673a\u5668\u7684\u4e00\u6bb5\u6d4b\u8bd5\u3002<\/p>\n

      \u6700\u5e38\u89c1\u7684\u5f62\u5f0f\u5c31\u662f\u6b6a\u6b6a\u626d\u626d\u7684\u5b57\u6bcd\u6570\u5b57\u56fe\u7247，\u4eba\u773c\u80fd\u8ba4\u51fa\u6765，\u673a\u5668\u5f88\u96be\u8bc6\u522b\u3002<\/p>\n

      4.2 CAPTCHA \u7684\u4f5c\u7528<\/h4>\n
        \n
      • \n

        \u9632\u6b62\u66b4\u529b\u7834\u89e3：\u653b\u51fb\u8005\u7528\u811a\u672c\u53cd\u590d\u5c1d\u8bd5\u5bc6\u7801，\u9a8c\u8bc1\u7801\u8ba9\u6bcf\u6b21\u5c1d\u8bd5\u90fd\u9700\u8981\u4eba\u5de5\u8bc6\u522b<\/p>\n<\/li>\n

      • \n

        \u9632\u6b62\u5237\u7968：\u6295\u7968\u7cfb\u7edf\u91cc\u9632\u6b62\u673a\u5668\u4eba\u6279\u91cf\u6295\u7968<\/p>\n<\/li>\n

      • \n

        \u9632\u6b62\u5783\u573e\u8bc4\u8bba：\u8bc4\u8bba\u533a\u9632\u6b62\u673a\u5668\u4eba\u53d1\u5e7f\u544a<\/p>\n<\/li>\n<\/ul>\n

        4.3 \u9a8c\u8bc1\u7801\u7684\u6b63\u786e\u5b9e\u73b0\u65b9\u5f0f<\/h4>\n

        \u4e00\u4e2a\u5b89\u5168\u7684\u9a8c\u8bc1\u7801\u7cfb\u7edf\u5e94\u8be5\u505a\u5230：<\/p>\n

          \n
        • \n

          \u6bcf\u4e2a\u9a8c\u8bc1\u7801\u53ea\u80fd\u4f7f\u7528\u4e00\u6b21\u2014\u2014\u9a8c\u8bc1\u901a\u8fc7\u540e\u7acb\u5373\u9500\u6bc1<\/p>\n<\/li>\n

        • \n

          \u9a8c\u8bc1\u7801\u6709\u6709\u6548\u671f\u2014\u2014\u8fc7\u671f\u540e\u81ea\u52a8\u5931\u6548<\/p>\n<\/li>\n

        • \n

          \u9a8c\u8bc1\u7801\u548c Session \u7ed1\u5b9a\u2014\u2014\u65e0\u6cd5\u88ab\u5176\u4ed6\u7528\u6237\u590d\u7528<\/p>\n<\/li>\n

        • \n

          \u9a8c\u8bc1\u7801\u56fe\u7247\u8db3\u591f\u590d\u6742\u2014\u2014\u65e0\u6cd5\u88ab OCR \u8f7b\u6613\u8bc6\u522b<\/p>\n<\/li>\n<\/ul>\n

          \u8fd9\u4e00\u5173\u7684\u95ee\u9898\u5728\u54ea？<\/p>\n

          \u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e，\u6ca1\u6709\u88ab\u9500\u6bc1\u3002\u4e5f\u5c31\u662f\u8bf4，\u4f60\u53ef\u4ee5\u7528\u4e00\u4e2a\u6b63\u786e\u7684\u9a8c\u8bc1\u7801，\u7136\u540e\u5c1d\u8bd5\u65e0\u6570\u4e2a\u5bc6\u7801，\u76f4\u5230\u627e\u5230\u6b63\u786e\u7684\u90a3\u4e2a\u3002<\/p>\n

          \n

          \u4e94\u3001\u6e90\u7801\u5206\u6790<\/h3>\n

          5.1 \u6838\u5fc3\u903b\u8f91<\/h4>\n

          if(isset($_POST["form"]))
          \n{
          \n \u00a0 \u00a0if($_COOKIE["security_level"] == "1" or $_COOKIE["security_level"] == "2")
          \n \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0\/\/ Medium \/ High \u7ea7\u522b
          \n \u00a0 \u00a0 \u00a0 \u00a0if(isset($_SESSION["captcha"]) && ($_POST["captcha_user"] == $_SESSION["captcha"]))
          \n \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0if($_POST["login"] == $login && $_POST["password"] == $password)
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"green\\\\">Successful login!<\/font>";
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0else
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"red\\\\">Invalid credentials!<\/font>";
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 \u00a0else \u00a0
          \n \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"red\\\\">Incorrect CAPTCHA!<\/font>";
          \n \u00a0 \u00a0 \u00a0 }
          \n \u00a0 }
          \n \u00a0 \u00a0else
          \n \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0\/\/ Low \u7ea7\u522b
          \n \u00a0 \u00a0 \u00a0 \u00a0if($_POST["captcha_user"] == $_SESSION["captcha"])
          \n \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0if($_POST["login"] == $login && $_POST["password"] == $password)
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"green\\\\">Successful login!<\/font>";
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0else
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"red\\\\">Invalid credentials!<\/font>";
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 }
          \n \u00a0 \u00a0 \u00a0 \u00a0else
          \n \u00a0 \u00a0 \u00a0 {
          \n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0$message = "<font color=\\\\"red\\\\">Incorrect CAPTCHA!<\/font>";
          \n \u00a0 \u00a0 \u00a0 }
          \n \u00a0 }
          \n}<\/p>\n

          \u4ee3\u7801\u7ed3\u6784：<\/p>\n

          $_SESSION["captcha"] \u5b58\u50a8\u4e86\u5f53\u524d\u9a8c\u8bc1\u7801\u7684\u5b57\u7b26\u4e32\u3002\u7528\u6237\u63d0\u4ea4\u7684 captcha_user \u548c\u5b83\u6bd4\u8f83\u3002<\/p>\n

          \u5173\u952e\u7f3a\u9677：\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e，$_SESSION["captcha"] \u6ca1\u6709\u88ab\u6e05\u7a7a\u6216\u91cd\u7f6e\u3002\u6240\u4ee5\u4e00\u65e6\u4f60\u8f93\u5165\u4e86\u4e00\u6b21\u6b63\u786e\u7684\u9a8c\u8bc1\u7801，\u5c31\u53ef\u4ee5\u4e00\u76f4\u7528\u540c\u4e00\u4e2a\u9a8c\u8bc1\u7801\u503c\u63d0\u4ea4\u8bf7\u6c42，\u76f4\u5230\u767b\u5f55\u6210\u529f\u3002<\/p>\n

          5.2 \u4e09\u79cd\u5b89\u5168\u7ea7\u522b\u7684\u5dee\u5f02<\/h4>\n\n\u7ea7\u522b\u9a8c\u8bc1\u903b\u8f91\u9a8c\u8bc1\u7801\u662f\u5426\u4e00\u6b21\u6027\u6f0f\u6d1e\u72b6\u6001<\/tr>\n\n\n\n\n
          Low<\/td>\n\u53ea\u6821\u9a8c\u9a8c\u8bc1\u7801\u548c\u5bc6\u7801<\/td>\n\u4e0d\u662f<\/td>\n\u53ef\u7ed5\u8fc7<\/td>\n<\/tr>\n
          Medium<\/td>\n\u5148\u6821\u9a8c\u9a8c\u8bc1\u7801\u518d\u6821\u9a8c\u5bc6\u7801<\/td>\n\u4e0d\u662f<\/td>\n\u53ef\u7ed5\u8fc7<\/td>\n<\/tr>\n
          High<\/td>\n\u5148\u6821\u9a8c\u9a8c\u8bc1\u7801\u518d\u6821\u9a8c\u5bc6\u7801<\/td>\n\u4e0d\u662f<\/td>\n\u53ef\u7ed5\u8fc7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u9ad8\u548c\u4e2d\u7684\u533a\u522b\u5176\u5b9e\u4e0d\u5927：Low \u548c Medium\/High \u7684\u903b\u8f91\u51e0\u4e4e\u4e00\u6837，\u53ea\u662f Medium\/High \u591a\u4e86\u4e00\u4e2a isset($_SESSION["captcha"]) \u68c0\u67e5\u3002<\/p>\n

          \u771f\u6b63\u7684\u6838\u5fc3\u95ee\u9898：\u4e0d\u7ba1\u54ea\u4e2a\u7ea7\u522b，\u9a8c\u8bc1\u7801\u90fd\u6ca1\u6709\u88ab\u9500\u6bc1\u3002<\/p>\n

          \n

          \u516d\u3001Low \u5b89\u5168\u7ea7\u522b<\/h3>\n

          6.1 \u6b63\u5e38\u767b\u5f55<\/h4>\n

          \u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u5bc6\u7801\u548c\u9a8c\u8bc1\u7801：\u767b\u5f55\u6210\u529f，\u663e\u793a \u201cSuccessful login!\u201d\u3002<\/p>\n

          \"\"<\/p>\n

          6.2 \u9519\u8bef\u5bc6\u7801 + \u6b63\u786e\u9a8c\u8bc1\u7801<\/h4>\n

          \u8f93\u5165\u6b63\u786e\u9a8c\u8bc1\u7801，\u4f46\u5bc6\u7801\u9519\u8bef：\u9875\u9762\u663e\u793a \u201cInvalid credentials!\u201d，\u767b\u5f55\u5931\u8d25\u3002<\/p>\n

          \"\"<\/p>\n

          6.3 \u66b4\u529b\u7834\u89e3\u6d41\u7a0b<\/h4>\n
            \n
          • \n

            \u6253\u5f00\u9875\u9762，\u5237\u65b0\u9a8c\u8bc1\u7801\u56fe\u7247，\u8bb0\u4e0b\u9a8c\u8bc1\u7801\u5b57\u7b26\u4e32（\u6bd4\u5982 ABC123）<\/p>\n<\/li>\n

          • \n

            \u7528 Burp Suite \u62e6\u622a\u767b\u5f55\u8bf7\u6c42<\/p>\n<\/li>\n

          • \n

            \u5728 Burp \u7684 Intruder \u4e2d，\u628a password \u53c2\u6570\u8bbe\u4e3a payload \u4f4d\u7f6e<\/p>\n<\/li>\n

          • \n

            \u7528\u540c\u4e00\u4e2a\u9a8c\u8bc1\u7801 ABC123，\u904d\u5386\u5bc6\u7801\u5b57\u5178<\/p>\n<\/li>\n<\/ul>\n

            \u56e0\u4e3a\u9a8c\u8bc1\u7801\u6ca1\u6709\u5931\u6548，\u6bcf\u4e2a\u5bc6\u7801\u5c1d\u8bd5\u90fd\u4f7f\u7528\u540c\u4e00\u4e2a\u9a8c\u8bc1\u7801，\u6240\u4ee5 Intruder \u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u2014\u2014\u4e0d\u4f1a\u88ab\u201c\u9a8c\u8bc1\u7801\u9519\u8bef\u201d\u62e6\u4f4f\u3002<\/p>\n

            6.4 \u7528 Burp Suite \u5b9e\u64cd\u6b65\u9aa4<\/h4>\n
              \n
            • \n

              \u6253\u5f00 Burp，\u4ee3\u7406\u62e6\u622a\u8bbe\u4e3a On<\/p>\n<\/li>\n

            • \n

              \u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u6b63\u786e\u7684\u9a8c\u8bc1\u7801，\u70b9\u51fb Login<\/p>\n<\/li>\n

            • \n

              Burp \u62e6\u622a\u5230 POST \u8bf7\u6c42，\u53d1\u9001\u5230 Intruder<\/p>\n<\/li>\n<\/ul>\n

              \"\"<\/p>\n

                \n
              • \n

                \u6807\u8bb0 password \u53c2\u6570\u4e3a payload \u4f4d\u7f6e<\/p>\n<\/li>\n

              • \n

                \u8bbe\u7f6e payload \u4e3a\u5bc6\u7801\u5b57\u5178（\u5e38\u7528\u5bc6\u7801\u5217\u8868）<\/p>\n<\/li>\n

              • \n

                \u4fdd\u6301 captcha_user \u53c2\u6570\u4e0d\u53d8（\u5c31\u662f\u90a3\u4e2a\u6b63\u786e\u7684\u9a8c\u8bc1\u7801）<\/p>\n<\/li>\n

              • \n

                \u70b9\u51fb Start Attack<\/p>\n<\/li>\n<\/ul>\n

                \"\"<\/p>\n

                  \n
                • \n

                  \u89c2\u5bdf\u54cd\u5e94\u957f\u5ea6，\u54ea\u4e2a\u54cd\u5e94\u957f\u5ea6\u548c\u5176\u4ed6\u7684\u4e0d\u4e00\u6837，\u54ea\u4e2a\u5c31\u662f\u6b63\u786e\u7684\u5bc6\u7801<\/p>\n<\/li>\n<\/ul>\n

                  \"\"<\/p>\n

                  6.5 \u6210\u529f\u767b\u5f55<\/h4>\n

                  \u7206\u7834\u51fa\u5bc6\u7801\u540e，\u624b\u52a8\u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u5bc6\u7801\u548c\u9a8c\u8bc1\u7801，\u767b\u5f55\u6210\u529f\u3002<\/p>\n

                  \n

                  \u4e03\u3001Medium \u5b89\u5168\u7ea7\u522b<\/h3>\n

                  7.1 \u5c1d\u8bd5\u7206\u7834<\/h4>\n

                  \u5207\u6362\u5230 Medium，\u91cd\u590d Low \u7ea7\u522b\u7684\u7206\u7834\u6d41\u7a0b\u3002<\/p>\n

                  Medium \u7ea7\u522b\u591a\u4e86 isset($_SESSION["captcha"]) \u68c0\u67e5，\u4f46\u6838\u5fc3\u903b\u8f91\u6ca1\u53d8\u2014\u2014\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e\u6ca1\u6709\u88ab\u9500\u6bc1\u3002<\/p>\n

                  \"\"<\/p>\n

                  \u6240\u4ee5\u540c\u6837\u7684\u65b9\u6cd5\u53ef\u4ee5\u7ed5\u8fc7 Medium \u7ea7\u522b\u3002<\/p>\n

                  7.2 \u6e90\u7801\u5206\u6790<\/h4>\n

                  if(isset($_SESSION["captcha"]) && ($_POST["captcha_user"] == $_SESSION["captcha"]))
                  \n{
                  \n \u00a0 \u00a0\/\/ \u9a8c\u8bc1\u7801\u6b63\u786e，\u68c0\u67e5\u7528\u6237\u540d\u5bc6\u7801
                  \n \u00a0 \u00a0\/\/ … \u4f46\u6ca1\u6709\u9500\u6bc1\u9a8c\u8bc1\u7801！
                  \n}<\/p>\n

                  \u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e，$_SESSION["captcha"] \u7684\u503c\u4fdd\u6301\u4e0d\u53d8，\u6240\u4ee5\u53ef\u4ee5\u590d\u7528\u3002<\/p>\n

                  \n

                  \u516b\u3001High \u5b89\u5168\u7ea7\u522b<\/h3>\n

                  8.1 \u5c1d\u8bd5\u7206\u7834<\/h4>\n

                  \u5207\u6362\u5230 High，\u540c\u6837\u7684\u65b9\u6cd5\u3002<\/p>\n

                  High \u7ea7\u522b\u7684\u903b\u8f91\u548c Medium \u4e00\u6837，\u9a8c\u8bc1\u7801\u540c\u6837\u6ca1\u6709\u88ab\u9500\u6bc1\u3002<\/p>\n

                  \"\"<\/p>\n

                  \u7ed3\u8bba：\u4e09\u79cd\u7ea7\u522b\u90fd\u5b58\u5728\u540c\u4e00\u4e2a\u95ee\u9898\u2014\u2014\u9a8c\u8bc1\u7801\u53ef\u91cd\u590d\u4f7f\u7528\u3002<\/p>\n

                  8.2 \u4e3a\u4ec0\u4e48 High \u7ea7\u522b\u4e5f\u6ca1\u9632\u4f4f？<\/h4>\n

                  \u56e0\u4e3a High \u7ea7\u522b\u53ea\u662f\u5bf9\u8f93\u5165\u505a\u4e86\u66f4\u4e25\u683c\u7684\u8fc7\u6ee4（\u5728\u5176\u4ed6\u5173\u5361\u4e2d），\u4f46\u5728\u8fd9\u4e00\u5173\u91cc，High \u7ea7\u522b\u7684\u9a8c\u8bc1\u7801\u903b\u8f91\u548c Medium \u5b8c\u5168\u4e00\u6837\u2014\u2014\u9a8c\u8bc1\u7801\u6ca1\u6709\u4e00\u6b21\u6027\u5931\u6548\u3002<\/p>\n

                  \u8fd9\u662f\u4e00\u6b21\u6027\u9a8c\u8bc1\u7801 vs \u4f1a\u8bdd\u9a8c\u8bc1\u7801\u7684\u533a\u522b\u3002\u8fd9\u4e00\u5173\u7528\u7684\u662f\u201c\u4f1a\u8bdd\u9a8c\u8bc1\u7801\u201d（\u4e00\u4e2a Session \u5bf9\u5e94\u4e00\u4e2a\u9a8c\u8bc1\u7801），\u800c\u4e0d\u662f\u201c\u4e00\u6b21\u6027\u9a8c\u8bc1\u7801\u201d（\u6bcf\u6b21\u9a8c\u8bc1\u540e\u9500\u6bc1）\u3002<\/p>\n

                  \n

                  \u4e5d\u3001\u5e94\u8be5\u600e\u4e48\u4fee\u590d？<\/h3>\n

                  \u4e00\u4e2a\u5b89\u5168\u7684\u9a8c\u8bc1\u7801\u7cfb\u7edf\u5e94\u8be5\u8fd9\u6837\u8bbe\u8ba1：<\/p>\n

                  if($_POST["captcha_user"] == $_SESSION["captcha"])
                  \n{
                  \n \u00a0 \u00a0\/\/ \u9a8c\u8bc1\u901a\u8fc7，\u7acb\u5373\u9500\u6bc1\u9a8c\u8bc1\u7801
                  \n \u00a0 \u00a0unset($_SESSION["captcha"]);
                  \n \u00a0 \u00a0
                  \n \u00a0 \u00a0\/\/ \u7136\u540e\u68c0\u67e5\u7528\u6237\u540d\u5bc6\u7801
                  \n \u00a0 \u00a0if($_POST["login"] == $login && $_POST["password"] == $password)
                  \n \u00a0 {
                  \n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u767b\u5f55\u6210\u529f
                  \n \u00a0 }
                  \n}<\/p>\n

                  \u5173\u952e：\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e\u7acb\u5373\u9500\u6bc1，\u8fd9\u6837\u6bcf\u4e00\u6b21\u767b\u5f55\u5c1d\u8bd5\u90fd\u5fc5\u987b\u8f93\u5165\u65b0\u7684\u9a8c\u8bc1\u7801\u3002<\/p>\n

                  \n

                  \u5341\u3001\u771f\u5b9e\u4e16\u754c：CAPTCHA \u7ed5\u8fc7\u6848\u4f8b<\/h3>\n

                  CAPTCHA \u7ed5\u8fc7\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\u975e\u5e38\u5e38\u89c1，2024-2026 \u5e74\u4f9d\u7136\u5927\u91cf\u51fa\u73b0：<\/p>\n

                  CVE-2025-65807：Gila CMS \u8bc4\u8bba\u9a8c\u8bc1\u7801\u7ed5\u8fc7\u6f0f\u6d1e，\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u9a8c\u8bc1\u7801\u8fdb\u884c SQL \u6ce8\u5165\u548c XSS \u653b\u51fb\u3002<\/p>\n

                  CVE-2025-0366：WordPress Captcha \u63d2\u4ef6\u5b58\u5728\u9a8c\u8bc1\u7801\u7ed5\u8fc7\u6f0f\u6d1e，CVSS \u8bc4\u5206 8.1（\u9ad8\u5371），\u5141\u8bb8\u653b\u51fb\u8005\u7ed5\u8fc7\u9a8c\u8bc1\u7801\u8fdb\u884c SQL \u6ce8\u5165\u7b49\u653b\u51fb\u3002<\/p>\n

                  CVE-2026-40839：\u5f00\u6e90 CRM \u7cfb\u7edf ESPO CRM \u5b58\u5728\u9a8c\u8bc1\u7801\u7ed5\u8fc7\u6f0f\u6d1e，\u653b\u51fb\u8005\u53ef\u7ed3\u5408 SQL \u6ce8\u5165\u5b9e\u73b0\u672a\u6388\u6743\u6570\u636e\u7a83\u53d6\u3002<\/p>\n

                  CVE-2025-5324：\u67d0 CAPTCHA \u751f\u6210\u5668\u5b58\u5728\u903b\u8f91\u6f0f\u6d1e，\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u91cd\u653e\u653b\u51fb\u7ed5\u8fc7\u9a8c\u8bc1，\u7ed3\u5408 SQL \u6ce8\u5165\u6f0f\u6d1e\u7a83\u53d6\u6570\u636e\u3002<\/p>\n

                  CVE-2025-2671：\u67d0 Web \u5e94\u7528\u9632\u706b\u5899\u7684 CAPTCHA \u5b9e\u73b0\u5b58\u5728\u7ed5\u8fc7\u6f0f\u6d1e，\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4fee\u6539 HTTP \u5934\u7ed5\u8fc7\u9a8c\u8bc1，\u8fdb\u884c SQL \u6ce8\u5165\u3002<\/p>\n

                  \u542f\u793a：\u9a8c\u8bc1\u7801\u53ea\u662f\u589e\u52a0\u653b\u51fb\u6210\u672c\u7684\u8f85\u52a9\u624b\u6bb5，\u4e0d\u662f\u6838\u5fc3\u9632\u7ebf\u3002\u5982\u679c\u9a8c\u8bc1\u7801\u903b\u8f91\u6709\u7f3a\u9677（\u5982\u53ef\u91cd\u590d\u4f7f\u7528\u3001\u53ef\u91cd\u653e\u3001\u53ef\u81ea\u52a8\u8bc6\u522b），\u5b83\u5c31\u65e0\u6cd5\u8d77\u5230\u9632\u62a4\u4f5c\u7528\u3002<\/p>\n

                  \n

                  \u5341\u4e00\u3001\u603b\u7ed3<\/h3>\n

                  \u8fd9\u4e00\u5173\u7684\u6838\u5fc3\u95ee\u9898\u4e0d\u5728\u4e8e\u5bc6\u7801\u5f3a\u5ea6，\u4e5f\u4e0d\u5728\u4e8e\u6ce8\u5165\u6f0f\u6d1e，\u800c\u5728\u4e8e\u9a8c\u8bc1\u7801\u7684\u8bbe\u8ba1\u7f3a\u9677\u2014\u2014\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e\u6ca1\u6709\u88ab\u9500\u6bc1，\u5bfc\u81f4\u653b\u51fb\u8005\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u9a8c\u8bc1\u7801\u53cd\u590d\u5c1d\u8bd5\u5bc6\u7801\u3002Low\u3001Medium\u3001High \u4e09\u4e2a\u7ea7\u522b\u7684\u9a8c\u8bc1\u7801\u903b\u8f91\u90fd\u6ca1\u6709\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898，\u6240\u4ee5\u4e09\u4e2a\u7ea7\u522b\u90fd\u5b58\u5728\u6f0f\u6d1e\u3002\u9632\u5fa1\u65b9\u6848\u5f88\u7b80\u5355：\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u901a\u8fc7\u540e\u7acb\u5373\u7528 unset($_SESSION["captcha"]) \u9500\u6bc1，\u8ba9\u6bcf\u4e00\u6b21\u767b\u5f55\u5c1d\u8bd5\u90fd\u5fc5\u987b\u8f93\u5165\u65b0\u7684\u9a8c\u8bc1\u7801\u3002\u8bb0\u4f4f\u4e00\u53e5\u8bdd：\u9a8c\u8bc1\u7801\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e\u201c\u4e00\u6b21\u6027\u201d，\u5982\u679c\u9a8c\u8bc1\u7801\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528，\u5b83\u5c31\u548c\u6ca1\u6709\u9a8c\u8bc1\u7801\u4e00\u6837\u3002<\/p>\n

                  \n

                  \u91cd\u8981\u58f0\u660e：\u672c\u6559\u7a0b\u53ca\u6587\u4e2d\u6240\u6709\u64cd\u4f5c\u4ec5\u9650\u4e8e\u5408\u6cd5\u6388\u6743\u7684\u5b89\u5168\u5b66\u4e60\u4e0e\u7814\u7a76\u3002\u4f5c\u8005\u53ca\u53d1\u5e03\u5e73\u53f0\u4e0d\u627f\u62c5\u56e0\u4e0d\u5f53\u4f7f\u7528\u672c\u6559\u7a0b\u6240\u5f15\u53d1\u7684\u4efb\u4f55\u76f4\u63a5\u6216\u95f4\u63a5\u6cd5\u5f8b\u8d23\u4efb\u3002\u8bf7\u52a1\u5fc5\u9075\u5b88\u4e2d\u534e\u4eba\u6c11\u5171\u548c\u56fd\u7f51\u7edc\u5b89\u5168\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\u3002<\/p>\n

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