phpMyFAQ vulnerability

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an information disclosure vulnerability that allows unauthenticated attackers to read hidden open questions due to an inverted api.onlyPublicQuestions check in OpenQuestionController. Attackers can send GET requests to the /api/v4.0/open-questions endpoint to retrieve non-public moderation or internal questions and their associated usernames.

Published 17 Oct 2026Updated 17 Oct 20262 sources
CVSS 6.9

What happened

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an information disclosure vulnerability that allows unauthenticated attackers to read hidden open questions due to an inverted api.onlyPublicQuestions check in OpenQuestionController. Attackers can send GET requests to the /api/v4.0/open-questions endpoint to retrieve non-public moderation or internal questions and their associated usernames.

Affected versions

phpMyFAQ: 4.2.0-alpha through before 4.2.0-beta (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.