PT-2026-51237 · Phpmyfaq · Phpmyfaq

0Xshemesh + 1 · Published 2026-06-21 · Updated 2026-06-21 · CVE-2026-56396

Mitre

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit user permission can set is superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-56396

Affected Products

Phpmyfaq

References · 3

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-56396 · Security Note
• https://vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights · Note