CVE-2026-66397

HIGH

phpMyFAQ before 4.1.6 Path Traversal via category image deletion

Title source: cna

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.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory

GitHub Security Advisory (GHSA-mh9w-5hr8-3272)

https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272

Third Party Advisory third-party-advisory

VulnCheck Advisory: phpMyFAQ before 4.1.6 Path Traversal via category image deletion

https://www.vulncheck.com/advisories/phpmyfaq-before-path-traversal-via-category-image-deletion

Scores

CVSS v4 8.6

EPSS 0.0032

EPSS Percentile 25.0%

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-22

Status published

Products (2)

thorsten/phpMyFAQ < 4.1.6

thorsten/phpMyFAQ 4.1.6

Published Jul 27, 2026

Tracked Since Jul 27, 2026