CVE-2026-56396CWE-862

phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()

High · published June 21, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
37.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00442 · 37.4th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-21T13:27Z
EPSS history
Timeline
  • 21 JUN 13:27Z
    phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()
    cvelistv5