Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272
- https://www.vulncheck.com/advisories/phpmyfaq-before-path-traversal-via-category
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272
FAQ
What is CVE-2026-66397?
CVE-2026-66397 is a documented vulnerability. 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 insuffici...
How severe is CVE-2026-66397?
CVSS scoring is not yet available for CVE-2026-66397. Check NVD for updates.
Is there a patch for CVE-2026-66397?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.