phpMyFAQ before 4.1.2 contains missing permission checks in ConfigurationTabController.php where 12 endpoints use userIsAuthenticated() instead of userHasPermission(CONFIGURATION_EDIT). Any authenticated user can enumerate system configuration metadata including permission model, cache backend, mail provider, and translation provider by querying /admin/api/configuration endpoints, violating least privilege access control.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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