CVE-2026-111891GHSA-6vf7-mrj2-7c37
phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions API
thorsten phpMyFAQ
CVSS
7.0HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.23%Chance of exploitation activity in the next 30 days, higher than 12% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 4.2.0-betaphpMyFAQCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in the group permission API, whose updatePermissions and updateMembers endpoints check held rights without regard to language or category scope and write unrestricted group grants. Non-superadmin administrators holding GROUP_EDIT can grant a group a right they hold only in a narrow scope and self-join it via updateMembers, gaining unrestricted FAQ create, edit, and publish access across all languages and categories.
Text from CVE List
Affected versions 2
- phpMyFAQaffected: 4.2.0-alpha.2 before 4.2.0-betaCVE List
- phpMyFAQunaffected: 4.2.0-betaCVE List