CVE-2026-57996
8.7
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
Summary
phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in the user/add API endpoint that allows non-SuperAdmin administrators to create SuperAdmin accounts. A delegated administrator with USER_ADD/EDIT/DELETE permissions can call POST /admin/api/user/add with isSuperAdmin: true and attacker-chosen credentials to create a SuperAdmin account, then authenticate as that account to achieve full instance takeover.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| phpMyFAQ | phpMyFAQ | 0 < 4.1.5 | affected |
| phpMyFAQ | phpMyFAQ | 4.1.5 | unaffected |
Weaknesses
- CWE-269: Improper Privilege Management
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-r2f4-v277-hvw9
- https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-superadmin-guard-in-user-add-endpoint
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