The WPGYM - Wordpress Gym Management System plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the MJ_gmgt_user_avatar_image_upload() function in all versions up to, and including, 67.1.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

The WPGYM - Wordpress Gym Management System plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the MJ_gmgt_add_staff_member() function in all versions up to, and including, 67.1.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to create new user accounts with the administrator role.