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CVE-2026-34729— phpMyFAQ: Stored XSS via Regex Bypass in Filter::removeAttributes()

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 4.1.1之前版本存在跨站脚本漏洞，该漏洞源于Filter::removeAttributes存在正则表达式绕过，可能导致存储型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.29% · P21
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I. Basic Information for CVE-2026-34729

Vulnerability Information
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Vulnerability Title
phpMyFAQ: Stored XSS via Regex Bypass in Filter::removeAttributes()
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, there is a stored XSS vulnerability via Regex Bypass in Filter::removeAttributes(). This issue has been patched in version 4.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/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 4.1.1之前版本存在跨站脚本漏洞，该漏洞源于Filter::removeAttributes存在正则表达式绕过，可能导致存储型跨站脚本攻击。
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 -

II. Public POCs for CVE-2026-34729

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III. Intelligence Information for CVE-2026-34729

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Vendor Advisories for CVE-2026-34729 (1)

Same Patch Batch · thorsten · 2026-04-02 · 5 CVEs total

CVE-2026-34728 8.7 HIGH phpMyFAQ: Path Traversal - Arbitrary File Deletion in MediaBrowserController
CVE-2026-34974 5.4 MEDIUM phpMyFAQ: SVG Sanitizer Bypass via HTML Entity Encoding leads to Stored XSS and Privilege
CVE-2026-32629 phpMyFAQ: Stored XSS via Unsanitized Email Field in Admin FAQ Editor
CVE-2026-34973 phpMyFAQ has a LIKE Wildcard Injection in Search.php — Unescaped % and _ Metacharacters En

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-34729

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