Medium severity5.4NVD Advisory· Published Oct 17, 2026· Updated Oct 17, 2026

CVE-2026-111903

Description

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.

Affected products

PhpMyAdmin/Phpmyfaqllm-create
Range: 4.2.0-alpha to <4.2.0-beta

Patches

Vulnerability mechanics

References

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-j3v5-p957-w6gqnvd
www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-stored-xss-via-svg-dtd-entity-bypassnvd

News mentions

PhpMyFAQ: 25 Vulnerabilities Including Critical Auth Bypass Disclosed Together
Vypr Intelligence · Oct 17, 2026

cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000