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style=\"margin-left:0;margin-right:0;text-align:justify\">\u8fd9\u4e00\u6b65\u7684\u6838\u5fc3\u601d\u8def\u662f&#xff1a;\u5229\u7528\u4f60\u7684\u9776\u673a&#xff08;127.0.0.1&#xff09;\u53bb\u8bf7\u6c42\u5b83\u81ea\u5df1\u670d\u52a1\u5668\u4e0a\u7684\u53e6\u4e00\u4e2a\u7f51\u9875\u6216\u6587\u4ef6\u3002\u5982\u679c\u6210\u529f&#xff0c;\u670d\u52a1\u5668\u4f1a\u628a\u90a3\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u5f53\u4f5c\u201c\u7528\u6237\u540d\u201d\u8fd4\u56de\u7ed9\u4f60\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u4ee5\u4e0b\u662f\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4&#xff1a;<\/p>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\">\u7b2c\u4e00\u6b65&#xff1a;\u786e\u5b9a\u4f60\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\u8def\u5f84<\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u9898\u76ee\u53c2\u8003\u4ee3\u7801\u91cc\u5199\u7684\u662f\u00a0http:\/\/127.0.0.1\/dvwa\/php.ini\u3002<\/p>\n<ul>\n<li style=\"text-align:justify\">\u6ce8\u610f&#xff1a;\u8fd9\u91cc\u7684\u00a0\/dvwa\/\u00a0\u662f DVWA \u9776\u573a\u7684\u76ee\u5f55\u540d\u3002\u5982\u679c\u4f60\u5f53\u524d\u662f\u5728\u00a0php_xxe\u00a0\u73af\u5883\u4e0b\u505a\u9898&#xff0c;\u4f60\u9700\u8981\u786e\u8ba4\u4f60\u60f3\u8bfb\u53d6\u7684\u6587\u4ef6\u5230\u5e95\u5728\u54ea\u91cc\u3002<\/li>\n<li style=\"text-align:justify\">\u901a\u7528\u505a\u6cd5&#xff1a;\u901a\u5e38\u6211\u4eec\u5c1d\u8bd5\u8bfb\u53d6\u7f51\u7ad9\u6839\u76ee\u5f55\u4e0b\u7684\u914d\u7f6e\u6587\u4ef6&#xff0c;\u6bd4\u5982\u00a0http:\/\/127.0.0.1\/php.ini\u00a0\u6216\u8005\u00a0http:\/\/127.0.0.1\/index.php\u3002<\/li>\n<\/ul>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\">\u7b2c\u4e8c\u6b65&#xff1a;\u6784\u9020 Payload&#xff08;\u653b\u51fb\u8f7d\u8377&#xff09;<\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u56de\u5230\u4f60\u7684 Burp Suite&#xff08;\u6216\u8005 HackBar&#xff09;&#xff0c;\u5c06\u8bf7\u6c42\u4f53\u4e2d\u7684 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style=\"text-align:justify\">\u5982\u679c\u6210\u529f&#xff1a;\u4f60\u4f1a\u770b\u5230\u4e00\u5927\u6bb5\u6587\u672c&#xff0c;\u90a3\u662f PHP \u914d\u7f6e\u6587\u4ef6&#xff08;php.ini&#xff09;\u7684\u5185\u5bb9&#xff0c;\u6216\u8005\u662f\u8be5\u7f51\u9875\u7684 HTML \u6e90\u4ee3\u7801\u3002<\/li>\n<li style=\"text-align:justify\">\u5982\u679c\u5931\u8d25&#xff1a;\u53ef\u80fd\u4f1a\u63d0\u793a\u8fde\u63a5\u8d85\u65f6\u6216\u6587\u4ef6\u4e0d\u5b58\u5728&#xff08;404&#xff09;\u3002\u5982\u679c\u662f\u8fd9\u6837&#xff0c;\u5c1d\u8bd5\u4fee\u6539 URL \u8def\u5f84&#xff0c;\u4f8b\u5982\u6539\u6210\u00a0http:\/\/127.0.0.1\/index.html\u00a0\u8bd5\u8bd5\u3002<\/li>\n<\/ul>\n<\/li>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\n<h2 style=\"margin-left:0px;margin-right:0px;text-align:justify\"><span style=\"background-color:#ffd900\">\u9898\u76ee4&#xff1a;<\/span><span style=\"background-color:#ffd900\">\u7528\u00a0php:\/\/filter\u00a0\u8bfb\u53d6 PHP \u6587\u4ef6<\/span><span style=\"background-color:#ffd900\">\u3002<\/span><\/h2>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"270\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022613-6a641ec56dc02.png\" width=\"830\" \/><\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u7684 XXE \u5229\u7528\u6280\u5de7\u3002\u56e0\u4e3a\u76f4\u63a5\u8bfb\u53d6\u00a0.php\u00a0\u6587\u4ef6\u65f6&#xff0c;\u670d\u52a1\u5668\u4f1a\u5148\u6267\u884c\u4ee3\u7801\u800c\u4e0d\u662f\u8f93\u51fa\u6e90\u7801&#xff08;\u4f60\u4f1a\u770b\u5230\u7a7a\u767d\u6216\u62a5\u9519&#xff09;&#xff0c;\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5229\u7528\u00a0php:\/\/filter\u00a0\u534f\u8bae\u5c06\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u00a0Base64 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&lt;password&gt;123&lt;\/password&gt;<\/p>\n<p>&lt;\/user&gt;<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u5173\u952e\u70b9\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li style=\"text-align:justify\">php:\/\/filter\/&#8230;&#xff1a;\u8fd9\u662f PHP \u7279\u6709\u7684\u6d41\u5305\u88c5\u5668\u3002<\/li>\n<li style=\"text-align:justify\">read&#061;convert.base64-encode&#xff1a;\u544a\u8bc9\u670d\u52a1\u5668\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6&#xff0c;\u5148\u628a\u5185\u5bb9\u8f6c\u6210 Base64 \u5b57\u7b26\u4e32\u3002<\/li>\n<li style=\"text-align:justify\">resource&#061;flag.php&#xff1a;\u6307\u5b9a\u4f60\u8981\u8bfb\u53d6\u7684\u76ee\u6807\u6587\u4ef6\u662f\u00a0flag.php&#xff08;\u901a\u5e38\u8fd9\u4e2a\u6587\u4ef6\u91cc\u85cf\u7740\u9898\u76ee\u7684 Flag&#xff09;\u3002<\/li>\n<li style=\"text-align:justify\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"589\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022613-6a641ec587878.png\" width=\"830\" \/><\/li>\n<\/ul>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\">\u7b2c\u4e8c\u6b65&#xff1a;\u53d1\u9001\u8bf7\u6c42<\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u70b9\u51fb Burp Suite \u53f3\u4e0a\u89d2\u7684\u00a0\u300cForward\u300d\u00a0\u6309\u94ae\u53d1\u9001\u6570\u636e\u5305\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"414\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725022613-6a641ec5b7e46.png\" width=\"831\" \/><\/p>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\">\u7b2c\u4e09\u6b65&#xff1a;\u89e3\u7801\u83b7\u53d6 Flag<\/h4>\n<li style=\"text-align:justify\">\u67e5\u770b\u54cd\u5e94&#xff1a;\u5728\u6d4f\u89c8\u5668\u7684\u8fd4\u56de\u9875\u9762\u6216\u8005 Burp \u7684 Response \u9762\u677f\u4e2d&#xff0c;\u4f60\u770b\u5230\u7684\u4e0d\u518d\u662f\u4e71\u7801\u6216\u7a7a\u767d&#xff0c;\u800c\u662f\u4e00\u4e32\u957f\u957f\u7684\u00a0Base64 \u5b57\u7b26\u4e32&#xff08;\u4f8b\u5982\u00a0PD9waHAgJGZsYWcgPSAiZmxhZ3t4eHh4fSI7ID8&#043;&#xff09;\u3002<\/li>\n<li style=\"text-align:justify\">\u8fdb\u884c\u89e3\u7801&#xff1a;\n<ul>\n<li style=\"text-align:justify\">\u590d\u5236\u8fd9\u4e32 Base64 \u5b57\u7b26\u3002<\/li>\n<li style=\"text-align:justify\">\u4f7f\u7528\u5728\u7ebf\u5de5\u5177&#xff08;\u641c\u7d22\u201cBase64 \u89e3\u7801\u201d&#xff09;\u6216\u8005 HackBar \u7684\u89e3\u7801\u529f\u80fd\u8fdb\u884c\u89e3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align:justify\">\u5f97\u5230\u7ed3\u679c&#xff1a;\u89e3\u7801\u540e&#xff0c;\u4f60\u5c31\u4f1a\u770b\u5230\u00a0flag.php\u00a0\u7684\u6e90\u4ee3\u7801&#xff0c;\u91cc\u9762\u901a\u5e38\u5305\u542b\u7c7b\u4f3c\u00a0flag{xxxxxx}\u00a0\u7684\u7b54\u6848\u3002<\/li>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u603b\u7ed3<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u8fd9\u4e00\u9898\u7684\u6838\u5fc3\u5728\u4e8e\u00a0\u201c\u7f16\u7801\u7ed5\u8fc7\u201d\u3002\u5982\u679c\u4e0d\u52a0\u00a0convert.base64-encode&#xff0c;\u670d\u52a1\u5668\u5c1d\u8bd5\u628a\u00a0flag.php\u00a0\u5f53\u4f5c\u666e\u901a\u6587\u672c\u8bfb\u5165 XML \u89e3\u6790\u5668\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u56e0\u4e3a PHP \u6807\u7b7e\u00a0&lt;?php\u00a0\u5bfc\u81f4 XML \u89e3\u6790\u9519\u8bef&#xff0c;\u6216\u8005\u76f4\u63a5\u6267\u884c\u4e86 PHP \u4ee3\u7801\u5bfc\u81f4\u4f60\u770b\u4e0d\u5230\u6e90\u7801\u3002\u901a\u8fc7 Base64 \u7f16\u7801&#xff0c;\u5c31\u628a\u4ee3\u7801\u53d8\u6210\u4e86\u7eaf\u6587\u672c\u6570\u636e&#xff0c;\u4ece\u800c\u6210\u529f\u8bfb\u53d6\u3002<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\n<h2 style=\"margin-left:0px;margin-right:0px;text-align:justify\"><span style=\"background-color:yellow\">\u5ba2\u89c2\u9898<\/span><\/h2>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\"><span style=\"background-color:lime\">\u4e00\u3001 \u5355\u9009\u9898<\/span><\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#215f9a\">1. <\/span><span style=\"color:#215f9a\">\u4ee5\u4e0b\u54ea\u4e2a\u662f\u6b63\u786e\u7684\u5916\u90e8\u5b9e\u4f53\u5b9a\u4e49&#xff1f;<\/span><\/p>\n<ul>\n<li style=\"text-align:justify\">A.\u00a0&lt;!ENTITY xxe &#034;file:\/\/\/etc\/passwd&#034;&gt;<\/li>\n<li style=\"text-align:justify\">B.\u00a0&lt;!ENTITY xxe SYSTEM &#034;file:\/\/\/etc\/passwd&#034;&gt;<\/li>\n<li style=\"text-align:justify\">C.\u00a0&lt;!ENTITY % xxe SYSTEM &#034;file:\/\/\/etc\/passwd&#034;&gt;<\/li>\n<li style=\"text-align:justify\">D.\u00a0&amp;xxe; SYSTEM &#034;file:\/\/\/etc\/passwd&#034;<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u2705 \u6b63\u786e\u7b54\u6848&#xff1a;B<br \/>\n&#x1f4a1; \u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li style=\"text-align:justify\">A\u00a0\u662f\u5185\u90e8\u5b9e\u4f53\u5b9a\u4e49&#xff0c;\u4e0d\u662f\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li style=\"text-align:justify\">B\u00a0\u662f\u6807\u51c6\u7684\u5916\u90e8\u5b9e\u4f53\u5b9a\u4e49\u8bed\u6cd5&#xff1a;&lt;!ENTITY \u5b9e\u4f53\u540d SYSTEM &#034;URI&#034;&gt;\u3002<\/li>\n<li style=\"text-align:justify\">C\u00a0\u662f\u53c2\u6570\u5b9e\u4f53\u7684\u5b9a\u4e49&#xff08;\u6ce8\u610f\u00a0%&#xff09;&#xff0c;\u4e14\u53c2\u6570\u5b9e\u4f53\u901a\u5e38\u7528\u4e8e DTD \u5185\u90e8&#xff0c;\u4e0d\u80fd\u76f4\u63a5\u5728\u6587\u6863\u5185\u5bb9\u4e2d\u7528\u00a0&amp;xxe;\u00a0\u5f15\u7528\u3002<\/li>\n<li style=\"text-align:justify\">D\u00a0\u8bed\u6cd5\u5b8c\u5168\u9519\u8bef\u3002<\/li>\n<\/ul>\n<hr \/>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#215f9a\">2. (<\/span><span style=\"color:#215f9a\">\u5355\u9009\u9898, 5\u5206) \u53c2\u6570\u5b9e\u4f53\u7684\u6b63\u786e\u8bed\u6cd5\u662f&#xff1f;<\/span><\/p>\n<ul>\n<li style=\"text-align:justify\">A.\u00a0&lt;!ENTITY % name &#034;value&#034;&gt;\u00a0\u548c\u00a0&amp;name;<\/li>\n<li style=\"text-align:justify\">B.\u00a0&lt;!ENTITY name &#034;value&#034;&gt;\u00a0\u548c\u00a0%name;<\/li>\n<li style=\"text-align:justify\">C.\u00a0&lt;!ENTITY % name &#034;value&#034;&gt;\u00a0\u548c\u00a0%name;<\/li>\n<li style=\"text-align:justify\">D.\u00a0&lt;!ENTITY name SYSTEM &#034;value&#034;&gt;\u00a0\u548c\u00a0&amp;name;<\/li>\n<\/ul>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u2705 \u6b63\u786e\u7b54\u6848&#xff1a;C<br \/>\n&#x1f4a1; \u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li style=\"text-align:justify\">\u53c2\u6570\u5b9e\u4f53\u5728\u5b9a\u4e49\u65f6\u9700\u8981\u5728\u00a0ENTITY\u00a0\u540e\u52a0\u00a0%&#xff1a;&lt;!ENTITY % name &#034;value&#034;&gt;\u3002<\/li>\n<li style=\"text-align:justify\">\u5728\u5f15\u7528\u53c2\u6570\u5b9e\u4f53\u65f6&#xff0c;\u4e5f\u5fc5\u987b\u7528\u00a0%\u00a0\u5305\u88f9&#xff1a;%name;&#xff08;\u6ce8\u610f\u5206\u53f7\u4e0d\u80fd\u5c11&#xff09;\u3002<\/li>\n<li style=\"text-align:justify\">\u666e\u901a\u5b9e\u4f53\u624d\u662f\u7528\u00a0&amp;name;\u00a0\u5f15\u7528\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4 style=\"margin-left:0px;margin-right:0px;text-align:justify\"><span style=\"background-color:lime\">\u4e8c\u3001 \u586b\u7a7a\u9898<\/span><\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#215f9a\">3. (<\/span><span style=\"color:#215f9a\">\u586b\u7a7a\u9898, 10\u5206) \u8865\u5168\u4ee5\u4e0b XXE Payload&#xff0c;\u4f7f\u5176\u8bfb\u53d6\u00a0\/etc\/hostname\u00a0\u6587\u4ef6&#xff1a;<\/span><\/p>\n<p>&lt;?xml version&#061;&#034;1.0&#034; encoding&#061;&#034;UTF-8&#034;?&gt;<\/p>\n<p>&lt;!DOCTYPE test [<\/p>\n<p>&lt;!ENTITY xxe SYSTEM &#034;__________&#034;&gt;<\/p>\n<p>]&gt;<\/p>\n<p>&lt;root&gt;__________&lt;\/root&gt;<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">\u2705 \u7b2c1\u7a7a\u7b54\u6848&#xff1a;\u00a0file:\/\/\/etc\/hostname<br \/>\n\u2705 \u7b2c2\u7a7a\u7b54\u6848&#xff1a;\u00a0&amp;xxe;<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\">&#x1f4a1; \u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li style=\"text-align:justify\">\u7b2c1\u7a7a&#xff1a;\u5916\u90e8\u5b9e\u4f53\u9700\u8981\u6307\u5b9a\u534f\u8bae\u548c\u8def\u5f84&#xff0c;\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u4f7f\u7528\u00a0file:\/\/\u00a0\u534f\u8bae&#xff0c;\u6240\u4ee5\u586b\u00a0file:\/\/\/etc\/hostname&#xff08;\u6ce8\u610f\u662f\u4e09\u4e2a\u659c\u6760&#xff09;\u3002<\/li>\n<li style=\"text-align:justify\">\u7b2c2\u7a7a&#xff1a;\u5728 XML \u6807\u7b7e\u5185\u5bb9\u4e2d\u5f15\u7528\u5b9e\u4f53&#xff0c;\u4f7f\u7528\u00a0&amp;\u5b9e\u4f53\u540d;\u00a0\u7684\u683c\u5f0f&#xff0c;\u6240\u4ee5\u586b\u00a0&amp;xxe;\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4 style=\"background-color:transparent;margin-left:0px;margin-right:0px;text-align:justify\"><span style=\"background-color:lime\">\u4e09\u3001 \u5224\u65ad\u9898<\/span><\/h4>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#215f9a\">4. (<\/span><span style=\"color:#215f9a\">\u5224\u65ad\u9898, 5\u5206) \u4f7f\u7528 file:\/\/ \u534f\u8bae\u53ea\u80fd\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u3002<\/span><\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#ee0000\">\u6b63\u786e\u7b54\u6848&#xff1a;B (\u9519)<\/span><br \/>\n&#x1f4a1; \u89e3\u6790&#xff1a;<br \/>\nfile:\/\/\u00a0\u534f\u8bae\u53ef\u4ee5\u8bfb\u53d6\u4efb\u4f55\u6587\u4ef6&#xff0c;\u5305\u62ec\u4e8c\u8fdb\u5236\u6587\u4ef6&#xff08;\u5982\u56fe\u7247\u3001\u53ef\u6267\u884c\u6587\u4ef6\u3001PDF\u7b49&#xff09;\u3002<\/p>\n<ul>\n<li style=\"text-align:justify\">\u5982\u679c\u662f\u6587\u672c\u6587\u4ef6&#xff0c;\u5185\u5bb9\u4f1a\u76f4\u63a5\u56de\u663e\u3002<\/li>\n<li style=\"text-align:justify\">\u5982\u679c\u662f\u4e8c\u8fdb\u5236\u6587\u4ef6&#xff0c;\u5185\u5bb9\u4f1a\u4ee5\u4e71\u7801\u6216\u539f\u59cb\u5b57\u8282\u6d41\u5f62\u5f0f\u8fd4\u56de&#xff0c;\u867d\u7136\u4eba\u773c\u770b\u4e0d\u61c2&#xff0c;\u4f46\u786e\u5b9e\u8bfb\u53d6\u5230\u4e86\u3002<\/li>\n<li style=\"text-align:justify\">\u8865\u5145&#xff1a;\u00a0\u5982\u679c\u60f3\u628a\u4e8c\u8fdb\u5236\u6587\u4ef6\u8f6c\u6210 Base64 \u65b9\u4fbf\u67e5\u770b&#xff0c;\u9700\u8981\u914d\u5408\u00a0php:\/\/filter\u00a0\u4f2a\u534f\u8bae&#xff0c;\u800c\u4e0d\u662f\u00a0file:\/\/\u00a0\u672c\u8eab\u7684\u9650\u5236\u3002<\/li>\n<\/ul>\n<hr \/>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#215f9a\">5. (<\/span><span style=\"color:#215f9a\">\u5224\u65ad\u9898, 5\u5206) \u5ba1\u8ba1\u4ee3\u7801&#xff0c;\u4e0b\u5217\u4ee3\u7801\u4e0d\u5b58\u5728 XXE \u6f0f\u6d1e\u3002<\/span><\/p>\n<p>&lt;?php<\/p>\n<p>function parseXML($input) {<\/p>\n<p>\u00a0 $xml &#061; simplexml_load_string($input);<\/p>\n<p>\u00a0 return $xml-&gt;getName();<\/p>\n<p>}<\/p>\n<p>$userData &#061; $_POST[&#039;xml_data&#039;];<\/p>\n<p>echo parseXML($userData);<\/p>\n<p>?&gt;<\/p>\n<p style=\"margin-left:0;margin-right:0;text-align:justify\"><span style=\"color:#ee0000\">\u6b63\u786e\u7b54\u6848&#xff1a;B (\u9519)<\/span><br \/>\n&#x1f4a1; \u89e3\u6790&#xff1a;<br \/>\n\u8fd9\u6bb5\u4ee3\u7801\u5b58\u5728\u00a0XXE \u6f0f\u6d1e&#xff01;<\/p>\n<ul>\n<li style=\"text-align:justify\">simplexml_load_string()\u00a0\u5728 PHP \u9ed8\u8ba4\u914d\u7f6e\u4e0b&#xff08;\u5c24\u5176\u662f\u65e7\u7248\u672c\u6216\u672a\u663e\u5f0f\u7981\u7528\u5916\u90e8\u5b9e\u4f53\u7684\u60c5\u51b5\u4e0b&#xff09;\u4f1a\u89e3\u6790\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li style=\"text-align:justify\">\u4ee3\u7801\u76f4\u63a5\u5c06\u7528\u6237\u8f93\u5165\u7684\u00a0$_POST[&#039;xml_data&#039;]\u00a0\u4f20\u5165\u89e3\u6790\u51fd\u6570&#xff0c;\u6ca1\u6709\u4efb\u4f55\u8fc7\u6ee4\u6216\u5b89\u5168\u914d\u7f6e&#xff08;\u5982\u00a0LIBXML_NOENT\u00a0\u7981\u7528\u6216\u00a0libxml_disable_entity_loader(true)&#xff09;\u3002<\/li>\n<li style=\"text-align:justify\">\u653b\u51fb\u8005\u53ef\u4ee5\u6784\u9020\u6076\u610f XML&#xff0c;\u8bfb\u53d6\u670d\u52a1\u5668\u6587\u4ef6\u6216\u53d1\u8d77 SSRF \u653b\u51fb\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee1&#xff1a;\u5e73\u53f0\u642d\u5efa\u4f60\u9700\u8981\u642d\u5efa\u4e00\u4e2a\u540d\u4e3a\u00a0php_xxe\u00a0\u7684\u672c\u5730 Web \u73af\u5883&#xff0c;\u5e76\u6f14\u793a\u5982\u4f55\u5229\u7528 XXE&#xff08;XML \u5916\u90e8\u5b9e\u4f53\u6ce8\u5165&#xff09;\u6f0f\u6d1e\u8bfb\u53d6\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u30021. \u73af\u5883\u51c6\u5907\u4f60\u9700\u8981\u4e00\u4e2a\u96c6\u6210\u4e86 PHP \u73af\u5883\u7684 Web \u670d\u52a1\u5668\u8f6f\u4ef6&#xff0c;\u63a8\u8350\u4f7f\u7528\u00a0phpStudy\u3001WampServer\u00a0\u6216\u00a0XAMPP\u3002\u8fd9\u91cc\u4ee5\u6700\u5e38\u7528\u7684 phpStudy \u4e3a\u4f8b\u30022. \u90e8\u7f72\u6b65\u9aa4\u542f\u52a8\u670d\u52a1&#xff1a;\u6253\u5f00 phpStudy&#xff0c;\u786e\u4fdd Apach<\/p>\n","protected":false},"author":2,"featured_media":82539,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9098,594,275,61,191,122],"topic":[],"class_list":["post-82552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-it","tag-web","tag-61","tag-191","tag-122"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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