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CVE-2026-46367— phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Rendering

Quick assessment

Affected
thorsten phpmyfaq
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.2之前版本存在跨站脚本漏洞，该漏洞源于Utils::parseUrl中允许经过身份验证的用户通过评论中的畸形URL注入JavaScript，可能导致攻击者通过带有未转义引号的URL注入事件处理程序，在访问者查看受影响的FAQ页面时窃取管理员会话cookie并实现完全应用程序接管。

CVSS 7.6 · High EPSS 0.30% · P21

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpmyfaq 4.1.1< 4.1.2 affected
4.1.2 unaffected
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I. Basic Information for CVE-2026-46367

Vulnerability Information
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Vulnerability Title
phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Rendering
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in Utils::parseUrl() that allows authenticated users to inject JavaScript via malformed URLs in comments. Attackers can craft URLs with unescaped quotes to inject event handlers, stealing admin session cookies and achieving full application takeover when visitors view affected FAQ pages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
phpMyFAQ 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.2之前版本存在跨站脚本漏洞，该漏洞源于Utils::parseUrl中允许经过身份验证的用户通过评论中的畸形URL注入JavaScript，可能导致攻击者通过带有未转义引号的URL注入事件处理程序，在访问者查看受影响的FAQ页面时窃取管理员会话cookie并实现完全应用程序接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpmyfaq 4.1.1 ~ 4.1.2 -

II. Public POCs for CVE-2026-46367

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III. Intelligence Information for CVE-2026-46367

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Vendor Advisories for CVE-2026-46367 (2)

Same Patch Batch · thorsten · 2026-05-15 · 13 CVEs total

CVE-2026-46364 9.8 CRITICAL phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha
CVE-2026-45010 9.1 CRITICAL phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint
CVE-2026-46359 7.5 HIGH phpMyFAQ - SQL Injection in CurrentUser::setTokenData via Unescaped OAuth Token Fields
CVE-2026-46366 7.5 HIGH phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission Bypas
CVE-2026-46361 6.9 MEDIUM phpMyFAQ - Stored Cross-Site Scripting via raw Filter in search.twig
CVE-2026-45008 6.5 MEDIUM phpMyFAQ - Path Traversal in Client::deleteClientFolder via URL Parameter
CVE-2026-46362 6.5 MEDIUM phpMyFAQ - Authorization Bypass in Admin Pages via Non-Terminating Permission Check
CVE-2026-46360 5.4 MEDIUM phpMyFAQ - Stored XSS via Entity Decoding Depth Limit Bypass in SVG Sanitizer
CVE-2026-46363 5.4 MEDIUM phpMyFAQ - Stored XSS in FAQ Question/Answer via Encode-Decode Bypass
CVE-2026-46365 5.4 MEDIUM phpMyFAQ - Missing Authorization in Tag Deletion Endpoint
CVE-2026-45007 4.3 MEDIUM phpMyFAQ - Missing Permission Check on 12 Configuration API Endpoints Allows Information D
CVE-2026-45009 4.3 MEDIUM phpMyFAQ - Insufficient Authorization Check in Admin API Endpoints

IV. Related Vulnerabilities

Same product: phpmyfaq
Same vendor: thorsten
Same weakness: CWE-79

V. Comments for CVE-2026-46367

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