{"id":"CVE-2026-111891","published":"2026-10-17T19:16:30.550","lastModified":"2026-10-17T19:16:30.660","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.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","cwes":["CWE-269"],"vendors":[],"products":[],"references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6vf7-mrj2-7c37","tags":[]},{"url":"https://www.vulncheck.com/advisories/phpmyfaq-from-4.2.0-alpha.2-before-4.2.0-beta-privilege-escalation-via-group-permissions-api","tags":[]}],"exploitRefs":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6vf7-mrj2-7c37","tags":[]}],"hasPoc":true,"ai":null}