{"id":47084,"date":"2024-12-02T15:02:49","date_gmt":"2024-12-02T07:02:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47084\/"},"modified":"2024-12-02T15:02:49","modified_gmt":"2024-12-02T07:02:49","slug":"php%e5%87%bd%e6%95%b0%e5%ae%89%e5%85%a8%e9%97%ae%e9%a2%98%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e5%ba%94%e7%94%a8%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47084\/","title":{"rendered":"php\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6587\u7ae0\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898\u4f1a\u7ed9\u5e94\u7528\u7a0b\u5e8f\u5e26\u6765\u98ce\u9669\uff0c\u5305\u62ec SQL \u6ce8\u5165\u3001XSS\u3001\u6587\u4ef6\u5305\u542b\u548c CSRF\u3002\u901a\u8fc7\u4f7f\u7528\u51c6\u5907\u8bed\u53e5\u3001\u9a8c\u8bc1\u8f93\u5165\u3001\u9650\u5236 CORS \u4ee5\u53ca\u66f4\u65b0 PHP\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7f13\u89e3\u8fd9\u4e9b\u95ee\u9898\uff0c\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729865210671ba5fa3181f.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168\u63d2\u56fe\" alt=\"php\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u7684\u5f71\u54cd<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u51fd\u6570\u53ef\u7528\u4e8e\u6267\u884c\u5404\u79cd\u4efb\u52a1\uff0c\u4ece\u8f93\u5165\u9a8c\u8bc1\u5230\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u7136\u800c\uff0c\u5982\u679c\u8fd9\u4e9b\u51fd\u6570\u4e0d\u6b63\u786e\u5730\u4f7f\u7528\u6216\u5177\u6709\u5b89\u5168\u6f0f\u6d1e\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u7ed9\u5e94\u7528\u7a0b\u5e8f\u9020\u6210\u4e25\u91cd\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<p><strong>\u5e38\u89c1 PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898<\/strong><\/p>\n<ul>\n<li><strong>SQL \u6ce8\u5165\uff1a<\/strong>\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u4e0d\u5b89\u5168\u7684\u6570\u636e\u5e93\u67e5\u8be2\u5c06\u6076\u610f SQL \u4ee3\u7801\u6ce8\u5165\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ece\u800c\u83b7\u53d6\u5bf9\u654f\u611f\u6570\u636e\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<li><strong>\u8de8\u7ad9\u70b9\u811a\u672c (XSS)\uff1a<\/strong>\u653b\u51fb\u8005\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u8f93\u51fa\u4e2d\u6ce8\u5165\u6076\u610f\u811a\u672c\uff0c\u4ece\u800c\u5141\u8bb8\u4ed6\u4eec\u5728\u53d7\u5bb3\u8005\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u4ee3\u7801\u3002<\/li>\n<li><strong>\u6587\u4ef6\u5305\u542b\uff1a<\/strong>\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u5141\u8bb8\u7528\u6237\u63d0\u4f9b\u6587\u4ef6\u8def\u5f84\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u4e0d\u5b89\u5168\u7684\u5305\u542b\u51fd\u6570\u6765\u5305\u542b\u6076\u610f\u6587\u4ef6\uff0c\u4ece\u800c\u7ed9\u5e94\u7528\u7a0b\u5e8f\u5e26\u6765 \u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\u98ce\u9669\u3002<\/li>\n<li><strong>\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020 (CSRF)\uff1a<\/strong>\u653b\u51fb\u8005\u53ef\u4ee5\u8bf1\u4f7f\u7528\u6237\u70b9\u51fb\u6076\u610f\u94fe\u63a5\uff0c\u8be5\u94fe\u63a5\u4f1a\u5bfc\u81f4\u4ed6\u4eec\u975e\u6545\u610f\u5730\u6267\u884c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4e0d\u5b89\u5168\u7684 PHP \u4ee3\u7801\uff0c\u5176\u4e2d\u4f7f\u7528\u4e86 <code>mysqli_query()<\/code> \u51fd\u6570\u6765\u6267\u884c SQL \u67e5\u8be2\uff1a<\/p>\n<pre>$sql = \"SELECT * FROM users WHERE username='\".mysqli_real_escape_string($mysqli, $_GET['username']).\"'\";\n$result = mysqli_query($mysqli, $sql);<\/pre>\n<p>\u6b64\u4ee3\u7801\u5bb9\u6613\u53d7\u5230 SQL \u6ce8\u5165\u653b\u51fb\uff0c\u56e0\u4e3a <code>mysqli_real_escape_string()<\/code> \u51fd\u6570\u6ca1\u6709\u6b63\u786e\u5730\u8f6c\u4e49\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u63d0\u4f9b\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684 <code>username<\/code> \u53c2\u6570\uff0c\u5176\u4e2d\u5305\u542b\u6076\u610f SQL \u4ee3\u7801\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>' OR 1=1 LIMIT 1<\/pre>\n<p>\u8fd9\u5c06\u7ed5\u8fc7 <code>WHERE<\/code> \u5b50\u53e5\u5e76\u68c0\u7d22\u6240\u6709\u7528\u6237\u8bb0\u5f55\u3002<\/p>\n<p><strong>\u7f13\u89e3\u63aa\u65bd<\/strong><\/p>\n<p>\u4e3a\u4e86\u7f13\u89e3 PHP \u51fd\u6570\u7684\u5b89\u5168\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7f13\u89e3\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u51c6\u5907\u8bed\u53e5\uff08prepare statement\uff09\uff1a<\/strong>\u51c6\u5907\u8bed\u53e5\u53ef\u4ee5\u9632\u6b62 SQL \u6ce8\u5165\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u6267\u884c\u67e5\u8be2\u4e4b\u524d\u5bf9\u8f93\u5165\u8fdb\u884c\u4e86\u8f6c\u4e49\u3002<\/li>\n<li><strong>\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u767d\u540d\u5355\u9a8c\u8bc1\uff1a<\/strong>\u9a8c\u8bc1\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u662f\u5426\u53ea\u5305\u542b\u9884\u671f\u7684\u5b57\u7b26\u548c\u683c\u5f0f\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8de8\u57df\u8d44\u6e90\u5171\u4eab (CORS)\uff1a<\/strong>\u9650\u5236\u8de8\u57df\u8bf7\u6c42\uff0c\u4ee5\u9632\u6b62 CSRF \u653b\u51fb\u3002<\/li>\n<li><strong>\u5b9a\u671f\u66f4\u65b0 PHP \u548c\u4f7f\u7528\u7684\u5e93\uff1a<\/strong>\u901a\u8fc7\u4fee\u8865\u5df2\u77e5\u6f0f\u6d1e\uff0c\u66f4\u65b0\u53ef\u4ee5\u6539\u5584\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898\u53ef\u80fd\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u9020\u6210\u91cd\u5927\u5a01\u80c1\u3002\u901a\u8fc7\u4e86\u89e3\u5e38\u89c1\u5b89\u5168\u95ee\u9898\u548c\u5b9e\u65bd\u9002\u5f53\u7684\u7f13\u89e3\u63aa\u65bd\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4fdd\u62a4\u4ed6\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u653b\u51fb\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aphp\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168 \u5c0f\u4f19\u4f34\u4eec\u5bf9\u6587\u7ae0\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u5b89\u5168\u95ee\u9898\u5982\u4f55\u5f71\u54cd\u5e94\u7528\u5b89\u5168\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01 PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898\u4f1a\u7ed9\u5e94\u7528\u7a0b\u5e8f\u5e26\u6765\u98ce\u9669\uff0c\u5305\u62ec SQL \u6ce8\u5165\u3001XSS\u3001\u6587\u4ef6\u5305\u542b\u548c CSRF\u3002\u901a\u8fc7\u4f7f\u7528\u51c6\u5907\u8bed\u53e5\u3001\u9a8c\u8bc1\u8f93\u5165\u3001\u9650\u5236 CORS \u4ee5\u53ca\u66f4\u65b0 PHP\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7f13\u89e3\u8fd9\u4e9b\u95ee\u9898\uff0c\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u3002 PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u7684\u5f71\u54cd \u7b80\u4ecb PHP \u51fd\u6570\u53ef\u7528\u4e8e\u6267\u884c\u5404\u79cd\u4efb\u52a1\uff0c\u4ece\u8f93\u5165\u9a8c\u8bc1\u5230\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u7136\u800c\uff0c\u5982\u679c\u8fd9\u4e9b\u51fd\u6570\u4e0d\u6b63\u786e\u5730\u4f7f\u7528\u6216\u5177\u6709\u5b89\u5168\u6f0f\u6d1e\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u7ed9\u5e94\u7528\u7a0b\u5e8f\u9020\u6210\u4e25\u91cd\u7684\u5b89\u5168\u98ce\u9669\u3002 \u5e38\u89c1 PHP \u51fd\u6570\u5b89\u5168\u95ee\u9898 SQL \u6ce8\u5165\uff1a\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u4e0d\u5b89\u5168\u7684\u6570\u636e\u5e93\u67e5\u8be2\u5c06\u6076\u610f SQL 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