Path Traversal in Thorsten Phpmyfaq
CVE-2026-66397
phpMyFAQ before 4.1.6 fails to validate path traversal sequences in the existing_image field during category updates, allowing authenticated attackers to delete arbitrary files by exploiting insufficient sanitization in Image::delete(). Attackers can delete the database.php configuration file to disable the installation gate and access the public setup wizard to create new superadmin accounts.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.
Affected products
- Thorsten Phpmyfaq — versions 0, 4.1.6
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)