CVE-2026-66399
8.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
phpMyFAQ before 4.1.6 contains a privilege escalation vulnerability in GroupController::updateMembers() that allows administrators with only group-management permissions to join privileged groups without verification of required rights. Attackers can add themselves to pre-existing groups holding user-management rights and immediately inherit those permissions to modify or delete user accounts.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| thorsten | phpMyFAQ | 0 < 4.1.6 | affected |
| thorsten | phpMyFAQ | 4.1.6 | unaffected |
Weaknesses
- CWE-269: Improper Privilege Management
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-28cc-v39j-vr95
- https://www.vulncheck.com/advisories/phpmyfaq-before-privilege-escalation-via-group-membership
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