CVE-2026-46367

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

State: Published
Severity: 8.3 High
Published: May 15, 2026
Updated: May 28, 2026
Reserved: May 13, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.3 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N	VulnCheck
3.1	7.6 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
phpmyfaqthorsten	4.1.1 to before 4.1.2Affected 4.1.2Not affected

References

GHSA Advisory GHSA-9525-27vj-c8r8vendor-advisory
VulnCheck Advisory: phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Renderingthird-party-advisory

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