{"id":47333,"date":"2024-12-02T10:43:34","date_gmt":"2024-12-02T02:43:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47333\/"},"modified":"2024-12-02T10:43:34","modified_gmt":"2024-12-02T02:43:34","slug":"ph%e5%87%bd%e6%95%b0%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e%e7%9a%84%e6%8c%96%e6%8e%98%e4%b8%8e%e4%bf%ae%e5%a4%8d%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47333\/","title":{"rendered":"ph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>ph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729911444671c5a9486c9e.jpg\" class=\"aligncenter\" title=\"ph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7\u63d2\u56fe\" alt=\"ph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7<\/h2>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u51fd\u6570\u4e2d\u7ecf\u5e38\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f8b\u5982 SQL \u6ce8\u5165\u548c\u8de8\u7ad9\u811a\u672c\u653b\u51fb (XSS)\u3002\u4e86\u89e3\u5982\u4f55\u6316\u6398\u548c\u4fee\u590d\u8fd9\u4e9b\u6f0f\u6d1e\u5bf9\u4e8e\u786e\u4fdd Web \u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u6f0f\u6d1e\u6316\u6398<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u6316\u6398 PHP \u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u4e00\u4e9b\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u53c2\u6570\u68c0\u67e5\uff1a<\/strong>\u68c0\u67e5\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u7ecf\u8fc7\u9002\u5f53\u7684\u9a8c\u8bc1\u3002<\/li>\n<li><strong>\u6570\u636e\u6e05\u7406\uff1a<\/strong>\u5206\u6790\u51fd\u6570\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u5e76\u5bfb\u627e\u672a\u6e05\u7406\u7684\u6570\u636e\u3002<\/li>\n<li><strong>\u6743\u9650\u68c0\u67e5\uff1a<\/strong>\u9a8c\u8bc1\u51fd\u6570\u662f\u5426\u6267\u884c\u4e86\u8d85\u51fa\u5176\u89c4\u5b9a\u6743\u9650\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u8003\u8651 PHP <code>mysql_query()<\/code> \u51fd\u6570\u3002\u6b64\u51fd\u6570\u53ef\u5c06 SQL \u67e5\u8be2\u53d1\u9001\u5230\u6570\u636e\u5e93\u3002\u7136\u800c\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u672a\u7ecf\u8fc7\u9002\u5f53\u7684\u6e05\u7406\uff0c\u5219\u4f1a\u5bfc\u81f4 SQL \u6ce8\u5165\u6f0f\u6d1e\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5229\u7528\u6b64\u6f0f\u6d1e\uff1a<\/p>\n<pre>$input = $_GET['input'];\n$sql = \"SELECT * FROM users WHERE username = '$input'\";\n$result = mysql_query($sql);<\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u7528\u6237\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u8f93\u5165\uff1a<\/p>\n<pre>John' OR '1'='1'<\/pre>\n<p>\u5219 SQL \u67e5\u8be2\u5c06\u53d8\u6210\u4ee5\u4e0b\u6837\u5b50\uff1a<\/p>\n<pre>SELECT * FROM users WHERE username = 'John' OR '1'='1'<\/pre>\n<p>\u8fd9\u5c06\u5bfc\u81f4\u8fd4\u56de\u6240\u6709\u7528\u6237\u8bb0\u5f55\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u6cc4\u9732\u3002<\/p>\n<p><strong>\u6f0f\u6d1e\u4fee\u590d<\/strong><\/p>\n<p>\u8981\u4fee\u590d\u6b64\u7c7b\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u53c2\u6570\u5316\u67e5\u8be2\uff1a<\/strong>\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u4ee3\u66ff\u5b57\u7b26\u4e32\u8fde\u63a5\u6765\u51c6\u5907 SQL \u67e5\u8be2\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u3002<\/li>\n<li><strong>\u8f93\u5165\u9a8c\u8bc1\uff1a<\/strong>\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u4ee5\u786e\u4fdd\u5176\u7b26\u5408\u9884\u671f\u7684\u6570\u636e\u7c7b\u578b\u5e76\u7b26\u5408\u7279\u5b9a\u7684\u89c4\u8303\u3002<\/li>\n<li><strong>\u6743\u9650\u7ba1\u7406\uff1a<\/strong>\u9650\u5236\u51fd\u6570\u53ea\u80fd\u6267\u884c\u5fc5\u8981\u7684\u64cd\u4f5c\uff0c\u9632\u6b62\u6743\u9650\u63d0\u5347\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\u4fee\u590d<\/strong><\/p>\n<p>\u8981\u4fee\u590d\u4e0a\u8ff0\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>$stmt = $mysqli-&gt;prepare(\"SELECT * FROM users WHERE username = ?\");\n$stmt-&gt;bind_param('s', $input);\n$stmt-&gt;execute();\n$result = $stmt-&gt;get_result();<\/pre>\n<p>\u6b64\u4ee3\u7801\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u51c6\u5907 SQL \u67e5\u8be2\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u5b89\u5168\u6f0f\u6d1e,ph\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7 \u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300aph\u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7\u300b\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01 PHP \u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u6316\u6398\u4e0e\u4fee\u590d\u6280\u5de7 \u7b80\u4ecb PHP \u51fd\u6570\u4e2d\u7ecf\u5e38\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f8b\u5982 SQL \u6ce8\u5165\u548c\u8de8\u7ad9\u811a\u672c\u653b\u51fb (XSS)\u3002\u4e86\u89e3\u5982\u4f55\u6316\u6398\u548c\u4fee\u590d\u8fd9\u4e9b\u6f0f\u6d1e\u5bf9\u4e8e\u786e\u4fdd Web \u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002 \u6f0f\u6d1e\u6316\u6398 \u4ee5\u4e0b\u662f\u6316\u6398 PHP \u51fd\u6570\u5b89\u5168\u6f0f\u6d1e\u7684\u4e00\u4e9b\u6280\u5de7\uff1a \u53c2\u6570\u68c0\u67e5\uff1a\u68c0\u67e5\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u7ecf\u8fc7\u9002\u5f53\u7684\u9a8c\u8bc1\u3002 \u6570\u636e\u6e05\u7406\uff1a\u5206\u6790\u51fd\u6570\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u5e76\u5bfb\u627e\u672a\u6e05\u7406\u7684\u6570\u636e\u3002 \u6743\u9650\u68c0\u67e5\uff1a\u9a8c\u8bc1\u51fd\u6570\u662f\u5426\u6267\u884c\u4e86\u8d85\u51fa\u5176\u89c4\u5b9a\u6743\u9650\u7684\u64cd\u4f5c\u3002 \u5b9e\u6218\u6848\u4f8b \u8ba9\u6211\u4eec\u8003\u8651 PHP mysql_query() \u51fd\u6570\u3002\u6b64\u51fd\u6570\u53ef\u5c06 SQL \u67e5\u8be2\u53d1\u9001\u5230\u6570\u636e\u5e93\u3002\u7136\u800c\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u672a\u7ecf\u8fc7\u9002\u5f53\u7684\u6e05\u7406\uff0c\u5219\u4f1a\u5bfc\u81f4 SQL \u6ce8\u5165\u6f0f\u6d1e\u3002 \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5229\u7528\u6b64\u6f0f\u6d1e\uff1a $input = $_GET[&#8216;input&#8217;]; $sql = &#8220;SELECT * FROM users WHERE username = &#8216;$input'&#8221;; $result = mysql_query($sql); \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u7528\u6237\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u8f93\u5165\uff1a John&#8217; OR &#8216;1&#8217;=&#8217;1&#8242; \u5219 SQL \u67e5\u8be2\u5c06\u53d8\u6210\u4ee5\u4e0b\u6837\u5b50\uff1a SELECT * FROM [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47333","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47333"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47333\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}