Tutor LMS Pro < 2.7.3 - Missing Authorization to Authenticated (Subscriber+) Insecure Direct Object Reference

Description

The Tutor LMS Pro plugin for WordPress is vulnerable to unauthorized administrative actions execution due to a missing capability checks on multiple functions like treport_quiz_atttempt_delete and tutor_gc_class_action in all versions up to, and including, 2.7.2. This makes it possible for authenticated attackers, with the subscriber-level access and above, to preform an administrative actions on the site, like comments, posts or users deletion, viewing notifications, etc.