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

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-15 · updated 2026-10-26
Weakness: CWE-79

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.

Affected products

thorsten phpMyFAQ: from 4.1.1 before 4.1.2 — fixed in 4.1.2

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.1.2. Check the vendor advisory for mitigations.

References

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