CVE-2026-66397: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in thorsten phpMyFAQ
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.
CVE-2026-66397: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in thorsten phpMyFAQ
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.
CVSS v4.0
Score 8.6high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-07-26T12:22:34.139Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6786039c2644c7f861a523
Added to database: 07/27/2026, 16:23:31 UTC
Last updated: 07/27/2026, 16:23:31 UTC
Views: 1
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