CVE-2026-111903
Medium · CVSS 5.1Published 2026-10-17
CVSS
5.1
Medium
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-111903?
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability in SvgSanitizer that allows users with FAQ_EDIT permission to bypass sanitization using XML DTD custom entities. Attackers can upload an SVG defining an entity that expands to javascript in an anchor href, executing script when viewers click it to hijack admin sessions.
CVSS Score Explained
CVSS 5.1 is Medium severity. Exploitation usually requires some specific conditions (local access, user interaction, or a particular config). Still worth patching in your next maintenance window.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-j3v5-p957-w6gq
- ›https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-stored-xss-via-svg-dtd-entity-bypass
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