CVE-2026-85593: Thorsten Phpmyfaq

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

phpMyFAQ versions before 4.1.8 contain a stored cross-site scripting vulnerability in FaqHelper::convertOldInternalLinks() that calls html_entity_decode() on sanitized FAQ content, reversing entity-encoding protection. Authenticated users with FAQ editing privileges can inject JavaScript payloads that execute in the browsers of all users viewing the affected FAQ pages.

Affected products

  • Thorsten Phpmyfaq: before 4.1.8 (fixed in 4.1.8)

Published 2026-09-04. Last modified 2026-09-14.