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Vulnerability record · CVE-2026-46367 · published 15 May 2026

CVE-2026-46367: Cross-site scripting vulnerability

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.

8.3 CVSS 4.0 High EPSS 0.30% · top 80.1% CWE-79 · Cross-site scripting Deferred
8.3CVSS 4.0 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8

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Source: NIST National Vulnerability Database (record CVE-2026-46367), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.