CVE-2026-58409 ChurchCRM: Authenticated Remote Code Execution (RCE) via Malicious Plugin Upload

ChurchCRM is an open-source church management system. Prior to version 7.4.0, an authenticated administrator can achieve Remote Code Execution RCE on the server by installing a malicious plugin ZIP archive containing a PHP webshell. The application explicitly includes 'php' in its ALLOWEDEXTENSIO...