High severity · published Jul 27, 2026
CVE-2026-66397
phpMyFAQ before 4.1.6 Path Traversal via category image deletion
8.6
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
phpMyFAQ · thorsten
before 4.1.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66397
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66397
github.com
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272
www.vulncheck.com
https://www.vulncheck.com/advisories/phpmyfaq-before-path-traversal-via-category-image-deletion
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