CVE-2026-57995

8.7 highEPSS 0.4%

High (8.7). EPSS 0.4% chance of exploitation in the next 30 days.

phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in GroupController::updatePermissions that allows GROUP_EDIT administrators to grant arbitrary rights to groups without verifying they hold those rights themselves. A delegated administrator can exploit this by assigning high-value permissions to a group they belong to, inheriting those rights and escalating privileges up to full administrative control.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2026-06-30
Modified: 2026-07-02
Record from: the NVD, synced 2026-10-19

References

https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-pg62-f8g4-4wqh
https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-self-rights-constraint-in-groupcontroller-updatepermissions
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-pg62-f8g4-4wqh

Check your stack JSON