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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-57996

phpMyFAQ - Privilege Escalation via Missing SuperAdmin Guard in user/add Endpoint

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

phpMyFAQ phpMyFAQ

Default version status: unaffected

  • 0 to < 4.1.5affected
  • 4.1.5unaffected

References