CVE-2026-35672: Thorsten Phpmyfaq

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in API v4.0 where the default empty api.apiClientToken allows unauthenticated users to create and modify FAQ entries. Attackers can send an empty x-pmf-token header to bypass token validation and inject malicious content via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

Affected products

• Thorsten Phpmyfaq: before 4.1.3 (fixed in 4.1.3)

Published 2026-05-28. Last modified 2026-06-17.