Cross-Site Scripting (XSS) vulnerability in SOPlanning <1.45, due to lack of proper validation of user input via /soplanning/www/process/groupe_save.php, in the groupe_id parameter. This could allow a remote user to send a specially crafted query to an authenticated user and steal their session details.
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-soplanning