CVE-2026-35672

Summary

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in API v4.0 where the default empty api.apiClientToken allows unauthenticated users to create and modify FAQ entries. Attackers can send an empty x-pmf-token header to bypass token validation and inject malicious content via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

Affected Software

VendorProductVersion RangeStatus
thorstenphpMyFAQ0 < 4.1.3affected
thorstenphpMyFAQ4.1.3unaffected

Weaknesses

  • CWE-1188: Initialization of a Resource with an Insecure Default

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

Additional References

References