Vulnerability · Published May 15, 2026 · Assigned by VulnCheck

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

High 7.6

In plain English

A high-severity cross-site scripting in phpmyfaq from thorsten. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.6High

Exploit odds (30 days)0.2%top 83.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	phpmyfaq/phpmyfaq	4.1.2	GHSA-9525-27vj-c8r8
Packagist	thorsten/phpmyfaq	4.1.2	GHSA-9525-27vj-c8r8

Affected products (as reported)

Vendor	Product	Versions
thorsten	phpmyfaq	4.1.1 – before 4.1.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

References

GHSA Advisory GHSA-9525-27vj-c8r8 vendor-advisory
VulnCheck Advisory: phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Rendering third-party-advisory