Thim Kit for Elementor <= 1.3.7 - Missing Authorization to Unauthenticated Private Course Disclosure

The Thim Kit for Elementor – Pre-built Templates & Widgets for Elementor plugin for WordPress is vulnerable to unauthorized access of data due to a missing validation checks on the 'thim-ekit/archive-course/get-courses' REST endpoint callback function in all versions up to, and including, 1.3.7. This makes it possible for unauthenticated attackers to disclose private or draft LearnPress course content by supplying post_status in the params_url payload.