What is CVE-2026-46367?

CVE-2026-46367 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2026-05-15.

How severe is CVE-2026-46367?

High severity. CVSS v3 base score is 7.6 out of 10.

XSS in Thorsten Phpmyfaq

CVE-2026-46367

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

Affected products

Thorsten Phpmyfaq — versions 4.1.1, 4.1.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-46367?: CVE-2026-46367 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2026-05-15.
How severe is CVE-2026-46367?: High severity. CVSS v3 base score is 7.6 out of 10.