{"id":967,"date":"2026-11-12T20:45:01","date_gmt":"2026-11-12T12:45:01","guid":{"rendered":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-f81b9510787993de8a728cd3118216f1a141ce55ced43aa482c5e722c5e301ea\/"},"modified":"2026-11-12T20:45:01","modified_gmt":"2026-11-12T12:45:01","slug":"pulsemate-security-f81b9510787993de8a728cd3118216f1a141ce55ced43aa482c5e722c5e301ea","status":"publish","type":"post","link":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-f81b9510787993de8a728cd3118216f1a141ce55ced43aa482c5e722c5e301ea\/","title":{"rendered":"Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u6df1\u5ea6\u5256\u6790\uff1aCVE-2026-13764 \u4ece Subscriber \u5230 Administrator \u7684\u653b\u51fb\u94fe\u8fd8\u539f\u4e0e\u52a0\u56fa\u5b9e\u6218"},"content":{"rendered":"<blockquote class=\"doc-lead\"><p><strong>\u5bfc\u8bed\uff1a<\/strong>Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CVE-2026-13764\uff09\u662f 2026 \u5e74 WordPress \u751f\u6001\u4e2d\u6700\u503c\u5f97\u8b66\u60d5\u7684\u9ad8\u5371\u5b89\u5168\u4e8b\u4ef6\u4e4b\u4e00\u2014\u2014\u4e00\u4e2a\u4ec5\u9700 Subscriber \u7ea7\u522b\u8d26\u53f7\u5373\u53ef\u5b8c\u6210\u7684\u63d0\u6743\u653b\u51fb\uff0c\u66b4\u9732\u51fa\u4e3b\u9898\u5c42 AJAX \u52a8\u4f5c\u5728\u6388\u6743\u6a21\u578b\u8bbe\u8ba1\u4e0a\u7684\u7cfb\u7edf\u6027\u7f3a\u9677\u3002\u672c\u6587\u5c06\u4ee5\u67b6\u6784\u5e08\u89c6\u89d2\uff0c\u4ece\u6e90\u7801\u8c03\u7528\u94fe\u3001transient \u4ee4\u724c\u673a\u5236\u3001\u81ea\u52a8\u767b\u5f55\u6d41\u7a0b\u4e09\u4e2a\u7ef4\u5ea6\u5b8c\u6574\u8fd8\u539f\u653b\u51fb\u8def\u5f84\uff0c\u5e76\u7ed9\u51fa\u53ef\u76f4\u63a5\u843d\u5730\u7684\u52a0\u56fa\u65b9\u6848\u4e0e\u5e94\u6025\u54cd\u5e94\u6e05\u5355\u3002<\/p><\/blockquote>\n<div class=\"doc-spec-grid\">\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83c\udfaf \u6838\u5fc3\u6280\u672f<\/span><span class=\"doc-spec-value\">WordPress AJAX \/ Transient \/ Nonce<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\u26a1 \u98ce\u9669\u7b49\u7ea7<\/span><span class=\"doc-spec-value\">\u9ad8\u5371 CVSS 8.8 (High)<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83d\ude80 \u6838\u5fc3\u6536\u76ca<\/span><span class=\"doc-spec-value\">\u963b\u65ad\u63d0\u6743\u94fe \/ \u79d2\u7ea7\u5e94\u6025\u95ed\u73af<\/span><\/div>\n<\/div>\n<div class=\"doc-arch-card\">\n<div class=\"doc-arch-header\">\n<div class=\"doc-arch-title-wrap\">\n      <span class=\"doc-arch-title\"><span class=\"icon\">\ud83d\udcd0<\/span> Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u653b\u51fb\u94fe\u5168\u666f\u56fe<\/span><br \/>\n      <span class=\"doc-arch-badge\">\u4f01\u4e1a\u7ea7\u67b6\u6784\u89c4\u8303<\/span>\n    <\/div>\n<div class=\"doc-arch-actions\">\n      <button type=\"button\" class=\"doc-arch-btn btn-copy-raw\">\ud83d\udccb \u590d\u5236\u6e90\u7801<\/button><br \/>\n      <button type=\"button\" class=\"doc-arch-btn btn-zoom-arch\">\ud83d\udd0d \u653e\u5927\u67e5\u770b<\/button>\n    <\/div>\n<\/p><\/div>\n<pre class=\"mermaid\">\nflowchart TD\n    subgraph \u653b\u51fb\u5165\u53e3\u5c42 [\"\u653b\u51fb\u5165\u53e3\u5c42 (Attack Entry Tier)\"]\n        A[\"Subscriber \u5df2\u8ba4\u8bc1\u7528\u6237\"] --&gt; B[\"POST admin-ajax.php\"]\n        B --&gt; C[\"action=masterstudy_ms_stm_set_discard_transient\"]\n    end\n    subgraph \u6f0f\u6d1e\u89e6\u53d1\u5c42 [\"\u6f0f\u6d1e\u89e6\u53d1\u5c42 (Vulnerability Trigger Tier)\"]\n        C --&gt; D[\"\u7f3a\u5931 nonce \u6821\u9a8c\"]\n        D --&gt; E[\"\u7f3a\u5931 current_user_can \u6388\u6743\"]\n        E --&gt; F[\"\u5199\u5165 stm_developer_access_token transient\"]\n    end\n    subgraph \u63d0\u6743\u6267\u884c\u5c42 [\"\u63d0\u6743\u6267\u884c\u5c42 (Privilege Escalation Tier)\"]\n        F --&gt; G[\"\u89e6\u53d1\u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55\u6d41\u7a0b\"]\n        G --&gt; H[\"wp_set_auth_cookie \u751f\u6210\u7ba1\u7406\u5458\u4f1a\u8bdd\"]\n    end\n    subgraph \u76ee\u6807\u5f71\u54cd\u5c42 [\"\u76ee\u6807\u5f71\u54cd\u5c42 (Impact Tier)\"]\n        H --&gt; I[\"\u83b7\u53d6 Administrator \u4f1a\u8bdd Cookie\"]\n        I --&gt; J[\"\u5b8c\u5168\u63a5\u7ba1 WordPress \u7ad9\u70b9\"]\n    end\n  <\/pre>\n<div class=\"doc-arch-caption\">\u56fe 1: Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u653b\u51fb\u94fe\u5168\u666f\uff0c\u5c55\u793a\u4ece Subscriber \u5165\u53e3\u5230 Administrator \u4f1a\u8bdd\u52ab\u6301\u7684\u56db\u5c42\u534f\u4f5c\u6d41\u5411\u3002<\/div>\n<\/div>\n<h2 class=\"doc-h2\">\u4e00\u3001\u6f0f\u6d1e\u6863\u6848\uff1aMasterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u6838\u5fc3\u4e8b\u5b9e<\/h2>\n<p class=\"doc-p\">CVE-2026-13764 \u662f Masterstudy \u6559\u80b2\u4e3b\u9898\uff08The Masterstudy &#8211; Education WordPress Theme\uff09\u5728 4.8.151 \u53ca\u4ee5\u4e0b\u6240\u6709\u7248\u672c\u4e2d\u5b58\u5728\u7684\u9ad8\u5371\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u5b98\u65b9 CVSS v3 \u8bc4\u5206\u4e3a 8.8\uff0c\u653b\u51fb\u5411\u91cf\u4e3a Network\u3001\u653b\u51fb\u590d\u6742\u5ea6 Low\u3001\u6240\u9700\u6743\u9650 Low\u3001\u65e0\u9700\u7528\u6237\u4ea4\u4e92\uff0c\u673a\u5bc6\u6027\/\u5b8c\u6574\u6027\/\u53ef\u7528\u6027\u5f71\u54cd\u5747\u4e3a High\u3002\u8fd9\u610f\u5473\u7740\u4e00\u4e2a\u653b\u51fb\u8005\u53ea\u9700\u8981\u4e00\u4e2a\u6700\u4f4e\u6743\u9650\u7684 Subscriber \u8d26\u53f7\uff0c\u5c31\u80fd\u5728\u65e0\u9700\u4efb\u4f55\u53d7\u5bb3\u8005\u914d\u5408\u7684\u60c5\u51b5\u4e0b\u5b8c\u6210\u63d0\u6743\u3002<\/p>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u8bc4\u4f30\u7ef4\u5ea6<\/th>\n<th>\u6f0f\u6d1e\u4e8b\u5b9e<\/th>\n<th>\u5b89\u5168\u5f71\u54cd<\/th>\n<th>\u98ce\u9669\u8bc4\u7ea7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6f0f\u6d1e\u7f16\u53f7<\/td>\n<td>CVE-2026-13764 \/ GHSA-j7hv-cx2r-827j<\/td>\n<td>\u516c\u5f00\u62ab\u9732\uff0c\u5df2\u6709 PoC \u98ce\u9669<\/td>\n<td><span class=\"badge-tag-green\">\u5df2\u786e\u8ba4<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u5f71\u54cd\u7248\u672c<\/td>\n<td>Masterstudy \u2264 4.8.151<\/td>\n<td>\u5168\u7248\u672c\u8986\u76d6\uff0c\u65e0\u8865\u4e01\u7248\u672c<\/td>\n<td><span class=\"badge-tag-green\">\u5e7f\u6cdb<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u653b\u51fb\u524d\u63d0<\/td>\n<td>Subscriber \u53ca\u4ee5\u4e0a\u5df2\u8ba4\u8bc1\u8d26\u53f7<\/td>\n<td>\u6ce8\u518c\u5373\u653b\u51fb\uff0c\u95e8\u69db\u6781\u4f4e<\/td>\n<td><span class=\"badge-tag-green\">\u9ad8\u5371<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u6838\u5fc3\u7f3a\u9677<\/td>\n<td>AJAX \u52a8\u4f5c\u7f3a\u5931\u6388\u6743\u4e0e nonce \u6821\u9a8c<\/td>\n<td>\u4efb\u610f\u7528\u6237\u53ef\u5199 transient<\/td>\n<td><span class=\"badge-tag-green\">\u4e25\u91cd<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u6700\u7ec8\u540e\u679c<\/td>\n<td>\u83b7\u53d6 Administrator \u4f1a\u8bdd Cookie<\/td>\n<td>\u7ad9\u70b9\u5b8c\u5168\u63a5\u7ba1<\/td>\n<td><span class=\"badge-tag-green\">\u81f4\u547d<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"doc-callout doc-callout-danger\">\n<div class=\"doc-callout-title\">\ud83d\udea8 \u4e25\u91cd\u9690\u60a3\u544a\u8b66<\/div>\n<p>\u8be5\u6f0f\u6d1e\u76ee\u524d\u5904\u4e8e\u300cUnreviewed\u300d\u72b6\u6001\uff0c\u4e14\u5b98\u65b9\u5c1a\u672a\u53d1\u5e03\u660e\u786e\u4fee\u590d\u7248\u672c\u3002\u4efb\u4f55\u5f00\u653e\u7528\u6237\u6ce8\u518c\u7684\u6559\u80b2\u7c7b WordPress \u7ad9\u70b9\uff08\u5728\u7ebf\u8bfe\u7a0b\u3001\u57f9\u8bad\u5e73\u53f0\u3001\u5b66\u6821\u5b98\u7f51\uff09\u90fd\u5904\u4e8e\u53ef\u76f4\u63a5\u88ab\u63d0\u6743\u7684\u66b4\u9732\u9762\u4e2d\uff0c\u5fc5\u987b\u7acb\u5373\u6267\u884c\u672c\u6587\u7b2c\u56db\u7ae0\u7684\u5e94\u6025\u52a0\u56fa\u63aa\u65bd\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u4e8c\u3001\u653b\u51fb\u94fe\u8fd8\u539f\uff1aMasterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u4e09\u6b65\u63d0\u6743\u8def\u5f84<\/h2>\n<h3 class=\"doc-h3\">2.1 \u7b2c\u4e00\u6b65\uff1aAJAX \u52a8\u4f5c\u7684\u6388\u6743\u771f\u7a7a<\/h3>\n<p class=\"doc-p\">WordPress \u7684 AJAX \u673a\u5236\u901a\u8fc7 <code>wp_ajax_{action}<\/code> \u4e0e <code>wp_ajax_nopriv_{action}<\/code> \u4e24\u4e2a\u94a9\u5b50\u6ce8\u518c\u5904\u7406\u51fd\u6570\u3002\u524d\u8005\u9762\u5411\u5df2\u767b\u5f55\u7528\u6237\uff0c\u540e\u8005\u9762\u5411\u672a\u767b\u5f55\u8bbf\u5ba2\u3002Masterstudy \u4e3b\u9898\u6ce8\u518c\u4e86 <code>masterstudy_ms_stm_set_discard_transient<\/code> \u8fd9\u4e2a\u52a8\u4f5c\uff0c\u4f46\u5728\u5904\u7406\u51fd\u6570\u5185\u90e8\u65e2\u6ca1\u6709\u8c03\u7528 <code>check_ajax_referer()<\/code> \u505a nonce \u6821\u9a8c\uff0c\u4e5f\u6ca1\u6709\u8c03\u7528 <code>current_user_can()<\/code> \u505a\u80fd\u529b\u68c0\u67e5\u3002\u8fd9\u6784\u6210\u4e86\u4e00\u4e2a\u5178\u578b\u7684\u300c\u6388\u6743\u771f\u7a7a\u300d\u2014\u2014\u4efb\u4f55\u5df2\u767b\u5f55\u7528\u6237\uff0c\u65e0\u8bba\u89d2\u8272\u662f Subscriber \u8fd8\u662f Editor\uff0c\u90fd\u80fd\u8c03\u7528\u8be5\u52a8\u4f5c\u3002<\/p>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>WordPress \u5b89\u5168\u6a21\u578b\u7684\u6838\u5fc3\u662f\u300c\u80fd\u529b\uff08Capability\uff09+ Nonce\u300d\u53cc\u56e0\u5b50\u6821\u9a8c\u3002Nonce \u9632 CSRF\uff0cCapability \u9632\u8d8a\u6743\u3002\u4efb\u4f55\u4e00\u4e2a\u7f3a\u5931\u90fd\u8db3\u4ee5\u8ba9 AJAX \u7aef\u70b9\u53d8\u6210\u653b\u51fb\u9762\u3002\u4e3b\u9898\u5f00\u53d1\u8005\u5e38\u56e0\u300c\u8fd9\u4e2a\u52a8\u4f5c\u53ea\u662f\u8bbe\u7f6e\u4e2a transient\uff0c\u6ca1\u4ec0\u4e48\u5371\u5bb3\u300d\u800c\u7701\u7565\u6821\u9a8c\uff0c\u5374\u5ffd\u7565\u4e86 transient \u672c\u8eab\u53ef\u80fd\u627f\u8f7d\u5b89\u5168\u654f\u611f\u8bed\u4e49\u3002<\/p><\/div>\n<h3 class=\"doc-h3\">2.2 \u7b2c\u4e8c\u6b65\uff1atransient \u4ee4\u724c\u6ce8\u5165<\/h3>\n<p class=\"doc-p\">\u8be5 AJAX \u52a8\u4f5c\u7684\u8bed\u4e49\u662f\u300c\u8bbe\u7f6e\u6216\u4e22\u5f03\u4e00\u4e2a transient\u300d\u3002\u653b\u51fb\u8005\u5229\u7528\u8fd9\u4e2a\u80fd\u529b\uff0c\u5c06 <code>stm_developer_access_token<\/code> \u8fd9\u4e2a transient \u8bbe\u7f6e\u4e3a\u653b\u51fb\u8005\u53ef\u63a7\u7684\u503c\u3002\u5728 WordPress \u4e2d\uff0ctransient \u672c\u8d28\u4e0a\u662f\u5e26\u8fc7\u671f\u65f6\u95f4\u7684 <code>wp_options<\/code> \u8bb0\u5f55\uff08\u6216\u5bf9\u8c61\u7f13\u5b58\u6761\u76ee\uff09\uff0c\u672c\u8eab\u6ca1\u6709\u6743\u9650\u9694\u79bb\u2014\u2014\u4e00\u65e6\u5199\u5165\uff0c\u4efb\u4f55\u8bfb\u53d6\u5b83\u7684\u4ee3\u7801\u90fd\u4f1a\u62ff\u5230\u653b\u51fb\u8005\u7684\u503c\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\" data-enlighter-title=\"\u6f0f\u6d1e\u89e6\u53d1\u70b9\u793a\u610f (vulnerable-ajax-handler.php)\">&lt;?php\n\/\/ \u6f0f\u6d1e\u4ee3\u7801\u7ed3\u6784\u793a\u610f\uff1a\u7f3a\u5931 nonce \u4e0e capability \u6821\u9a8c\nadd_action( &#039;wp_ajax_masterstudy_ms_stm_set_discard_transient&#039;, &#039;ms_stm_set_discard_transient&#039; );\n\nfunction ms_stm_set_discard_transient() {\n    \/\/ \u274c \u7f3a\u5931 check_ajax_referer( &#039;ms_stm_nonce&#039;, &#039;nonce&#039; );\n    \/\/ \u274c \u7f3a\u5931 current_user_can( &#039;manage_options&#039; );\n\n    $key   = sanitize_text_field( $_POST[&#039;key&#039;] );\n    $value = sanitize_text_field( $_POST[&#039;value&#039;] );\n\n    \/\/ \u653b\u51fb\u8005\u53ef\u5c06 key \u8bbe\u4e3a stm_developer_access_token\n    set_transient( $key, $value, HOUR_IN_SECONDS );\n    wp_send_json_success();\n}\n<\/pre>\n<h3 class=\"doc-h3\">2.3 \u7b2c\u4e09\u6b65\uff1a\u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55\u6d41\u7a0b\u52ab\u6301<\/h3>\n<p class=\"doc-p\">Masterstudy \u4e3b\u9898\u5185\u7f6e\u4e86\u4e00\u4e2a\u300c\u5f00\u53d1\u8005\u8bbf\u95ee\uff08Developer Access\uff09\u300d\u529f\u80fd\uff0c\u7528\u4e8e\u4e3b\u9898\u5f00\u53d1\u8c03\u8bd5\u65f6\u5feb\u901f\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u767b\u5f55\u3002\u8be5\u6d41\u7a0b\u4f1a\u8bfb\u53d6 <code>stm_developer_access_token<\/code> transient\uff0c\u82e5\u4ee4\u724c\u5339\u914d\u5219\u8c03\u7528 <code>wp_set_auth_cookie()<\/code> \u4e3a\u6307\u5b9a\u7528\u6237\uff08\u901a\u5e38\u662f ID \u4e3a 1 \u7684\u7ba1\u7406\u5458\uff09\u751f\u6210\u4f1a\u8bdd Cookie\u3002\u653b\u51fb\u8005\u901a\u8fc7\u7b2c\u4e8c\u6b65\u6ce8\u5165\u4ee4\u724c\u540e\uff0c\u53ea\u9700\u8bbf\u95ee\u81ea\u52a8\u767b\u5f55\u7aef\u70b9\uff0c\u5373\u53ef\u83b7\u5f97\u4e00\u4e2a\u5408\u6cd5\u7684 Administrator \u4f1a\u8bdd Cookie\uff0c\u5b8c\u6210\u4ece Subscriber \u5230 Administrator \u7684\u5b8c\u6574\u63d0\u6743\u3002<\/p>\n<div class=\"doc-callout doc-callout-warning\">\n<div class=\"doc-callout-title\">\u26a0\ufe0f \u751f\u4ea7\u907f\u5751\u98ce\u9669<\/div>\n<p>\u300c\u5f00\u53d1\u8005\u540e\u95e8\u300d\u7c7b\u529f\u80fd\u662f WordPress \u4e3b\u9898\u4e0e\u63d2\u4ef6\u7684\u9ad8\u9891\u6f0f\u6d1e\u6e90\u3002\u4efb\u4f55\u5728\u751f\u4ea7\u73af\u5883\u4fdd\u7559\u7684\u8c03\u8bd5\u5165\u53e3\u3001\u81ea\u52a8\u767b\u5f55\u5f00\u5173\u3001\u4e07\u80fd\u4ee4\u724c\uff0c\u90fd\u7b49\u4ef7\u4e8e\u628a\u7ba1\u7406\u5458\u94a5\u5319\u6302\u5728\u516c\u7f51 URL \u4e0a\u3002\u4e0a\u7ebf\u524d\u5fc5\u987b\u505a\u300c\u8c03\u8bd5\u529f\u80fd\u6e05\u96f6\u300d\u5ba1\u8ba1\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u4e09\u3001\u6839\u56e0\u5256\u6790\uff1a\u4e3a\u4ec0\u4e48\u4e3b\u9898\u5c42 AJAX \u603b\u662f\u91cd\u707e\u533a<\/h2>\n<p class=\"doc-p\">\u4ece\u67b6\u6784\u89c6\u89d2\u770b\uff0cMasterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u5e76\u975e\u5b64\u4f8b\uff0c\u800c\u662f WordPress \u4e3b\u9898\u751f\u6001\u7684\u7ed3\u6784\u6027\u95ee\u9898\u3002\u4e3b\u9898\u5f00\u53d1\u8005\u901a\u5e38\u4ee5\u300c\u524d\u7aef\u4f53\u9a8c\u300d\u4e3a\u7b2c\u4e00\u4f18\u5148\u7ea7\uff0c\u5b89\u5168\u6821\u9a8c\u88ab\u89c6\u4e3a\u300c\u63d2\u4ef6\u7684\u4e8b\u300d\u3002\u4f46\u4e3b\u9898\u540c\u6837\u6ce8\u518c AJAX \u52a8\u4f5c\u3001\u540c\u6837\u5199\u6570\u636e\u5e93\u3001\u540c\u6837\u80fd\u89e6\u53d1\u8ba4\u8bc1\u6d41\u7a0b\uff0c\u5176\u653b\u51fb\u9762\u4e0e\u63d2\u4ef6\u65e0\u5f02\u3002<\/p>\n<ul class=\"doc-list\">\n<li><strong>\u6388\u6743\u6a21\u578b\u7f3a\u5931\uff1a<\/strong>\u4e3b\u9898\u4ee3\u7801\u666e\u904d\u4e0d\u533a\u5206\u89d2\u8272\u80fd\u529b\uff0c\u9ed8\u8ba4\u300c\u5df2\u767b\u5f55\u5373\u53ef\u7528\u300d\uff0cSubscriber \u4e0e Administrator \u5171\u4eab\u540c\u4e00\u7aef\u70b9\u3002<\/li>\n<li><strong>Nonce \u751f\u547d\u5468\u671f\u6df7\u4e71\uff1a<\/strong>\u524d\u7aef\u811a\u672c\u6ce8\u5165\u7684 nonce \u5e38\u88ab\u786c\u7f16\u7801\u6216\u5168\u5c40\u66b4\u9732\uff0c\u5bfc\u81f4 CSRF \u9632\u62a4\u5f62\u540c\u865a\u8bbe\u3002<\/li>\n<li><strong>Transient \u8bed\u4e49\u6ee5\u7528\uff1a<\/strong>\u628a transient \u5f53\u4f5c\u300c\u65e0\u6743\u9650\u7684\u914d\u7f6e\u5b58\u50a8\u300d\uff0c\u627f\u8f7d\u4e86\u4ee4\u724c\u3001\u5f00\u5173\u3001\u4f1a\u8bdd\u7b49\u5b89\u5168\u654f\u611f\u6570\u636e\u3002<\/li>\n<li><strong>\u8c03\u8bd5\u529f\u80fd\u9057\u7559\uff1a<\/strong>\u5f00\u53d1\u8005\u8bbf\u95ee\u3001\u81ea\u52a8\u767b\u5f55\u3001\u6f14\u793a\u5bfc\u5165\u7b49\u529f\u80fd\u5728\u6253\u5305\u53d1\u5e03\u65f6\u672a\u88ab\u5265\u79bb\u3002<\/li>\n<\/ul>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u9632\u5fa1\u5c42\u7ea7<\/th>\n<th>\u4f20\u7edf\u505a\u6cd5<\/th>\n<th>\u73b0\u4ee3\u52a0\u56fa\u65b9\u6848<\/th>\n<th>\u67b6\u6784\u6536\u76ca<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AJAX \u5165\u53e3<\/td>\n<td>\u4ec5\u6ce8\u518c wp_ajax_ \u94a9\u5b50<\/td>\n<td>\u5f3a\u5236 check_ajax_referer + current_user_can \u53cc\u6821\u9a8c<\/td>\n<td><span class=\"badge-tag-green\">\u963b\u65ad\u8d8a\u6743<\/span><\/td>\n<\/tr>\n<tr>\n<td>Transient \u5199\u5165<\/td>\n<td>\u4efb\u610f key \u53ef\u5199<\/td>\n<td>\u767d\u540d\u5355 key + \u524d\u7f00\u9694\u79bb + \u503c\u7b7e\u540d<\/td>\n<td><span class=\"badge-tag-green\">\u9632\u4ee4\u724c\u6ce8\u5165<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u52a8\u767b\u5f55<\/td>\n<td>\u4ee4\u724c\u5339\u914d\u5373\u767b\u5f55<\/td>\n<td>\u751f\u4ea7\u73af\u5883\u7981\u7528 + \u4e8c\u6b21\u8eab\u4efd\u6821\u9a8c<\/td>\n<td><span class=\"badge-tag-green\">\u6d88\u9664\u540e\u95e8<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u884c\u65f6\u9632\u62a4<\/td>\n<td>\u65e0<\/td>\n<td>WAF \u89c4\u5219\u62e6\u622a\u5f02\u5e38 action \u8c03\u7528<\/td>\n<td><span class=\"badge-tag-green\">\u4e89\u53d6\u54cd\u5e94\u7a97\u53e3<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"doc-h2\">\u56db\u3001\u5e94\u6025\u52a0\u56fa\uff1aMasterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u4ee3\u7801\u7ea7\u4fee\u590d<\/h2>\n<h3 class=\"doc-h3\">4.1 \u8865\u4e01\u4e00\uff1a\u4e3a AJAX \u52a8\u4f5c\u8865\u9f50\u53cc\u56e0\u5b50\u6821\u9a8c<\/h3>\n<p class=\"doc-p\">\u6700\u76f4\u63a5\u7684\u4fee\u590d\u65b9\u5f0f\u662f\u5728\u4e3b\u9898\u7684 <code>functions.php<\/code> \u6216\u5b50\u4e3b\u9898\u4e2d\uff0c\u901a\u8fc7 <code>wp_ajax_<\/code> \u94a9\u5b50\u7684\u4f18\u5148\u7ea7\u673a\u5236\uff0c\u5728\u539f\u59cb\u5904\u7406\u51fd\u6570\u6267\u884c\u524d\u63d2\u5165\u5b89\u5168\u6821\u9a8c\u3002\u7531\u4e8e\u539f\u59cb\u51fd\u6570\u5df2\u6ce8\u518c\uff0c\u6211\u4eec\u91c7\u7528\u300c\u5148\u79fb\u9664\u518d\u91cd\u6ce8\u518c\u300d\u7684\u65b9\u5f0f\u63a5\u7ba1\u8be5\u52a8\u4f5c\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\" data-enlighter-title=\"functions.php (\u5b50\u4e3b\u9898\u52a0\u56fa\u8865\u4e01)\"> 'Forbidden' ), 403 );\n    }\n\n    \/\/ \u2705 3. Key \u767d\u540d\u5355\uff08\u9632\u4ee4\u724c\u6ce8\u5165\uff09\n    $allowed_keys = array( 'ms_stm_cache_flag', 'ms_stm_ui_state' );\n    $key = isset( $_POST['key'] ) ? sanitize_key( $_POST['key'] ) : '';\n\n    if ( ! in_array( $key, $allowed_keys, true ) ) {\n        wp_send_json_error( array( 'message' =&gt; 'Invalid key' ), 400 );\n    }\n\n    $value = isset( $_POST['value'] ) ? sanitize_text_field( wp_unslash( $_POST['value'] ) ) : '';\n    set_transient( $key, $value, HOUR_IN_SECONDS );\n\n    wp_send_json_success();\n}\n<\/pre>\n<h3 class=\"doc-h3\">4.2 \u8865\u4e01\u4e8c\uff1a\u7981\u7528\u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55\u6d41\u7a0b<\/h3>\n<p class=\"doc-p\">\u5373\u4f7f AJAX \u7aef\u70b9\u88ab\u52a0\u56fa\uff0c\u53ea\u8981\u300c\u5f00\u53d1\u8005\u8bbf\u95ee\u81ea\u52a8\u767b\u5f55\u300d\u6d41\u7a0b\u4ecd\u7136\u5b58\u5728\uff0c\u4efb\u4f55\u5176\u4ed6\u5199\u5165 transient \u7684\u9014\u5f84\u90fd\u53ef\u80fd\u88ab\u4e32\u8054\u5229\u7528\u3002\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u5f7b\u5e95\u5173\u95ed\u8be5\u6d41\u7a0b\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\" data-enlighter-title=\"functions.php (\u7981\u7528\u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55)\">&lt;?php\n\/**\n * \u751f\u4ea7\u73af\u5883\u7981\u7528 Masterstudy \u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55\n *\/\nadd_action( &#039;init&#039;, function () {\n    \/\/ \u6e05\u9664\u53ef\u80fd\u5df2\u6ce8\u5165\u7684\u4ee4\u724c\n    delete_transient( &#039;stm_developer_access_token&#039; );\n\n    \/\/ \u62e6\u622a\u81ea\u52a8\u767b\u5f55\u5165\u53e3\uff08\u793a\u4f8b\u94a9\u5b50\u540d\uff0c\u6309\u5b9e\u9645\u4e3b\u9898\u5b9e\u73b0\u8c03\u6574\uff09\n    remove_all_actions( &#039;masterstudy_developer_auto_login&#039; );\n    remove_all_actions( &#039;ms_stm_developer_access_login&#039; );\n}, 1 );\n\n\/\/ \u515c\u5e95\uff1a\u7981\u6b62\u975e\u7ba1\u7406\u5458\u8bfb\u53d6\u8be5 transient\nadd_filter( &#039;pre_transient_stm_developer_access_token&#039;, function ( $value ) {\n    if ( ! current_user_can( &#039;manage_options&#039; ) ) {\n        return false;\n    }\n    return $value;\n} );\n<\/pre>\n<div class=\"baota-config-bar\"><span>stm_developer_access_token = \u5df2\u6e05\u9664 \/ \u81ea\u52a8\u767b\u5f55\u6d41\u7a0b = \u5df2\u7981\u7528<\/span><span class=\"lang-tag\">SECURITY<\/span><\/div>\n<h3 class=\"doc-h3\">4.3 \u8865\u4e01\u4e09\uff1aWAF \u5c42\u62e6\u622a\u5f02\u5e38 AJAX \u8c03\u7528<\/h3>\n<p class=\"doc-p\">\u5728\u4ee3\u7801\u8865\u4e01\u4e0a\u7ebf\u524d\uff0cWAF \u89c4\u5219\u53ef\u4ee5\u4e89\u53d6\u5b9d\u8d35\u7684\u54cd\u5e94\u7a97\u53e3\u3002\u4ee5\u4e0b Nginx \u89c4\u5219\u62e6\u622a\u5bf9\u654f\u611f action \u7684 POST \u8bf7\u6c42\uff0c\u5e76\u5bf9\u975e\u7ba1\u7406\u5458\u4f1a\u8bdd\u76f4\u63a5\u8fd4\u56de 403\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-title=\"nginx.conf (WAF \u62e6\u622a\u89c4\u5219)\"># \u62e6\u622a\u5bf9 masterstudy_ms_stm_set_discard_transient \u7684\u5f02\u5e38\u8c03\u7528\nlocation = \/wp-admin\/admin-ajax.php {\n    if ($request_method = POST) {\n        set $block_ms 0;\n        if ($args ~* \"action=masterstudy_ms_stm_set_discard_transient\") {\n            set $block_ms 1;\n        }\n        if ($http_cookie !~* \"wordpress_logged_in\") {\n            set $block_ms 1;\n        }\n        if ($block_ms = 1) {\n            return 403;\n        }\n    }\n    include fastcgi_params;\n    fastcgi_pass unix:\/run\/php\/php-fpm.sock;\n}\n<\/pre>\n<details class=\"doc-accordion\">\n<summary>\u70b9\u51fb\u5c55\u5f00\uff1a\u5e94\u6025\u54cd\u5e94\u5b8c\u6574\u547d\u4ee4\u6e05\u5355\u4e0e\u9a8c\u8bc1\u811a\u672c<\/summary>\n<div class=\"doc-accordion-content\">\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-title=\"emergency-response.sh\">#!\/bin\/bash\n# 1. \u5907\u4efd\u6570\u636e\u5e93\u4e0e\u4e3b\u9898\u76ee\u5f55\nwp db export backup-$(date +%F).sql\ncp -r wp-content\/themes\/masterstudy wp-content\/themes\/masterstudy.bak\n\n# 2. \u7acb\u5373\u6e05\u9664\u53ef\u7591 transient\nwp transient delete stm_developer_access_token --allow-root\n\n# 3. \u5f3a\u5236\u6240\u6709\u7528\u6237\u91cd\u65b0\u767b\u5f55\uff08\u4f7f\u5df2\u7a83\u53d6\u4f1a\u8bdd\u5931\u6548\uff09\nwp user session destroy --all --allow-root\n\n# 4. \u5ba1\u8ba1\u8fd1\u671f\u7ba1\u7406\u5458\u767b\u5f55\u8bb0\u5f55\nwp db query \"SELECT user_id, ip, login_time FROM wp_failed_logins ORDER BY login_time DESC LIMIT 50;\"\n\n# 5. \u68c0\u67e5\u662f\u5426\u5b58\u5728\u5f02\u5e38\u7ba1\u7406\u5458\u8d26\u53f7\nwp user list --role=administrator --fields=ID,user_login,user_email,user_registered\n\n# 6. \u9a8c\u8bc1\u8865\u4e01\u751f\u6548\ncurl -s -o \/dev\/null -w \"%{http_code}\" -X POST \n  -d \"action=masterstudy_ms_stm_set_discard_transient&amp;key=stm_developer_access_token&amp;value=pwn\" \n  https:\/\/your-site.com\/wp-admin\/admin-ajax.php\n# \u671f\u671b\u8fd4\u56de 403\n<\/pre>\n<\/p><\/div>\n<\/details>\n<h2 class=\"doc-h2\">\u4e94\u3001\u5e94\u6025\u54cd\u5e94\u6e05\u5355\u4e0e\u957f\u671f\u9632\u5fa1\u5efa\u8bae<\/h2>\n<p class=\"doc-p\">\u9762\u5bf9 Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u5efa\u8bae\u6309\u300c\u6b62\u8840\u2014\u6392\u67e5\u2014\u52a0\u56fa\u2014\u590d\u76d8\u300d\u56db\u9636\u6bb5\u63a8\u8fdb\u3002\u6b62\u8840\u9636\u6bb5\u4f18\u5148\u6e05\u9664\u4ee4\u724c\u3001\u9500\u6bc1\u4f1a\u8bdd\u3001\u4e0a\u7ebf WAF \u89c4\u5219\uff1b\u6392\u67e5\u9636\u6bb5\u5ba1\u8ba1\u7ba1\u7406\u5458\u8d26\u53f7\u4e0e\u767b\u5f55\u65e5\u5fd7\uff1b\u52a0\u56fa\u9636\u6bb5\u843d\u5730\u4ee3\u7801\u8865\u4e01\u5e76\u5347\u7ea7\u4e3b\u9898\uff1b\u590d\u76d8\u9636\u6bb5\u5c06\u300c\u4e3b\u9898\u5c42 AJAX \u5b89\u5168\u5ba1\u8ba1\u300d\u7eb3\u5165\u4e0a\u7ebf\u68c0\u67e5\u6e05\u5355\u3002<\/p>\n<ul class=\"doc-list\">\n<li><strong>\u6b62\u8840\uff1a<\/strong>\u5220\u9664 <code>stm_developer_access_token<\/code> transient\uff0c\u9500\u6bc1\u5168\u90e8\u7528\u6237\u4f1a\u8bdd\uff0cWAF \u62e6\u622a\u654f\u611f action\u3002<\/li>\n<li><strong>\u6392\u67e5\uff1a<\/strong>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u975e\u9884\u671f\u7ba1\u7406\u5458\u8d26\u53f7\u3001\u5f02\u5e38\u767b\u5f55 IP\u3001\u88ab\u7be1\u6539\u7684\u4e3b\u9898\u6587\u4ef6\u3002<\/li>\n<li><strong>\u52a0\u56fa\uff1a<\/strong>\u90e8\u7f72\u7b2c\u56db\u7ae0\u8865\u4e01\uff0c\u5173\u95ed\u5f00\u53d1\u8005\u81ea\u52a8\u767b\u5f55\uff0c\u9650\u5236 Subscriber \u6ce8\u518c\u5165\u53e3\u3002<\/li>\n<li><strong>\u590d\u76d8\uff1a<\/strong>\u5efa\u7acb\u4e3b\u9898\/\u63d2\u4ef6 AJAX \u7aef\u70b9\u5b89\u5168\u57fa\u7ebf\uff0c\u8981\u6c42\u6240\u6709 <code>wp_ajax_<\/code> \u5904\u7406\u51fd\u6570\u5fc5\u987b\u540c\u65f6\u5177\u5907 nonce \u4e0e capability \u6821\u9a8c\u3002<\/li>\n<\/ul>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>\u5bf9\u4e8e\u6559\u80b2\u7c7b WordPress \u7ad9\u70b9\uff0cSubscriber \u8d26\u53f7\u5f80\u5f80\u53ef\u4ee5\u81ea\u52a9\u6ce8\u518c\uff0c\u8fd9\u610f\u5473\u7740\u653b\u51fb\u95e8\u69db\u51e0\u4e4e\u4e3a\u96f6\u3002\u5efa\u8bae\u5728\u4e1a\u52a1\u5141\u8bb8\u7684\u524d\u63d0\u4e0b\uff0c\u5173\u95ed\u524d\u53f0\u81ea\u52a9\u6ce8\u518c\uff0c\u6216\u4e3a\u6ce8\u518c\u7528\u6237\u589e\u52a0\u90ae\u7bb1\u9a8c\u8bc1\u4e0e\u4eba\u5de5\u5ba1\u6838\uff0c\u4ece\u6e90\u5934\u538b\u7f29\u653b\u51fb\u9762\u3002<\/p><\/div>\n<div class=\"doc-callout doc-callout-related\">\n<div class=\"doc-callout-title\">\ud83d\udd17 \u5ef6\u4f38\u9605\u8bfb\u4e0e\u4e13\u680f\u63a8\u8350<\/div>\n<ul class=\"doc-internal-links\">\n<li><strong>\u6240\u5c5e\u4e13\u680f\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/category\/security\/\">\u6d4f\u89c8\u66f4\u591a\u3010\u5b89\u5168\u6f0f\u6d1e\u3011\u6280\u672f\u67b6\u6784\u4e0e\u5de5\u7a0b\u5b9e\u6218\u6587\u7ae0<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-11339c0f556e995170edbba1d14f41fd501802e9f0bd86d67b2a010c3ae48901\/\">OpenSSL \u641c\u7d22\u8def\u5f84\u52ab\u6301\u6df1\u5ea6\u5256\u6790\uff1aIllumio VEN for Windows CVE-2026-114032 \u63d0\u6743\u6f0f\u6d1e\u7684\u673a\u7406\u3001\u653b\u51fb\u94fe\u4e0e\u5de5\u7a0b\u5316\u52a0\u56fa<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-a75de6642cacb1e0a8a8d0be3f691b6f72567c1b0e28c4e6413d77990854608e\/\">Node.js \u5b89\u5168\u6f0f\u6d1e\u4fee\u590d\u7d27\u6025\u901a\u544a\uff1a16 \u4e2a HTTP\/2 \u4e0e TLS 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(NVD)<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3010Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3011\u6df1\u5ea6\u5256\u6790 Masterstudy \u6559\u80b2\u4e3b\u9898 CVE-2026-13764 \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff1a\u4ece\u7f3a\u5931 nonce \u6821\u9a8c\u7684 AJAX \u52a8\u4f5c\u5230 transient \u4ee4\u724c\u6ee5\u7528\uff0c\u5b8c\u6574\u8fd8\u539f\u653b\u51fb\u94fe\u4e0e\u81ea\u52a8\u767b\u5f55\u63d0\u6743\u539f\u7406\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u7ea7\u52a0\u56fa\u65b9\u6848\u3001WAF \u62e6\u622a\u89c4\u5219\u4e0e\u5e94\u6025\u54cd\u5e94\u6e05\u5355\uff0c\u52a9 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[424],"tags":[487,486,277,275,315],"class_list":["post-967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-ajax-","tag-cve-2026-13764","tag-wordpress-","tag-275","tag-315"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u6df1\u5ea6\u5256\u6790\uff1aCVE-2026-13764 \u4ece Subscriber \u5230 Administrator \u7684\u653b\u51fb\u94fe\u8fd8\u539f\u4e0e\u52a0\u56fa\u5b9e\u6218 - \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9<\/title>\n<meta name=\"description\" content=\"\u3010Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3011\u6df1\u5ea6\u5256\u6790 Masterstudy \u6559\u80b2\u4e3b\u9898 CVE-2026-13764 \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff1a\u4ece\u7f3a\u5931 nonce \u6821\u9a8c\u7684 AJAX \u52a8\u4f5c\u5230 transient \u4ee4\u724c\u6ee5\u7528\uff0c\u5b8c\u6574\u8fd8\u539f\u653b\u51fb\u94fe\u4e0e\u81ea\u52a8\u767b\u5f55\u63d0\u6743\u539f\u7406\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u7ea7\u52a0\u56fa\u65b9\u6848\u3001WAF \u62e6\u622a\u89c4\u5219\u4e0e\u5e94\u6025\u54cd\u5e94\u6e05\u5355\uff0c\u52a9 ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-f81b9510787993de8a728cd3118216f1a141ce55ced43aa482c5e722c5e301ea\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Masterstudy \u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u6df1\u5ea6\u5256\u6790\uff1aCVE-2026-13764 \u4ece Subscriber \u5230 Administrator 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