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CVE-2026-57996

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.1.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • phpMyFAQ phpMyFAQ

    fixed in 4.1.5

References 2

GitHub · thorsten/phpMyFAQ

vulncheck.com