CVE-2026-57996 — phpMyFAQ - Privilege Escalation via Missing SuperAdmin Guard in user/add Endpoint
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 deleg…
Published: 2026-07-15 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7