The Tutor LMS WordPress plugin before 2.0.10 does not escape some course parameters, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The Tutor LMS WordPress plugin before 1.9.12 does not escape the search parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting

The Tutor LMS WordPress plugin before 1.9.11 does not sanitise and escape user input before outputting back in attributes in the Student Registration page, leading to a Reflected Cross-Site Scripting issue

The Tutor LMS WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which can be created by users as low as Tutor Instructor. This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.

The Tutor LMS – eLearning and online course solution WordPress plugin before 1.8.8 is affected by a local file inclusion vulnerability through the maliciously constructed sub_page parameter of the plugin's Tools, allowing high privilege users to include any local php file

The tutor_quiz_builder_get_question_form AJAX action from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.8.3 was vulnerable to UNION based SQL injection that could be exploited by students.

Several AJAX endpoints in the Tutor LMS – eLearning and online course solution WordPress plugin before 1.7.7 were unprotected, allowing students to modify course information and elevate their privileges among many other actions.

The tutor_place_rating AJAX action from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.7.7 was vulnerable to blind and time based SQL injections that could be exploited by students.

The tutor_quiz_builder_get_answers_by_question AJAX action from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.8.3 was vulnerable to UNION based SQL injection that could be exploited by students.