Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck
CVE-2026-85592phpMyFAQ before 4.1.8 Authorization Bypass via question/create
Low 3.7
In plain English
A low-severity incorrect authorization in phpMyFAQ from thorsten. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Official description
phpMyFAQ before 4.1.8 contains an authorization bypass vulnerability in the question creation endpoint where the isAddingQuestionsAllowed() method grants access to all callers when main.enableAskQuestions is enabled, ignoring the records.allowQuestionsForGuests setting. Unauthenticated attackers can submit questions via the question/create API endpoint to bypass guest submission restrictions and inject spam into the admin moderation queue.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- GitHub Security Advisory (GHSA-546h-9ghq-x49g) vendor-advisory
- VulnCheck Advisory: phpMyFAQ before 4.1.8 Authorization Bypass via question/create third-party-advisory