The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to arbitrary post deletion due to a missing capability check on the 'llms_delete_cert' action in all versions up to, and including, 7.8.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary posts.

The WP Courses LMS – Online Courses Builder, eLearning Courses, Courses Solution, Education Courses plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the wpc_update_user_meta_option() function in all versions up to, and including, 3.2.21. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary user's metadata which can be levereged to block an administrator from accessing their site when wp_capabilities is set to 0.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The nd-learning plugin before 4.8 for WordPress has a nopriv_ AJAX action that allows modification of the siteurl setting.