CVE-2026-28495 GetSimple CMS has CSRF to Remote Code Execution via Arbitrary PHP Write in gsconfig.php

GetSimple CMS is a content management system. The massiveAdmin plugin v6.0.3 bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling...