The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to time-based SQL Injection via the question_id parameter in all versions up to, and including, 2.6.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber/student access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized access of restricted Q&A content due to a missing capability check when interacting with questions in all versions up to, and including, 2.6.0. This makes it possible for authenticated attackers, with subscriber access or higher, to interact with questions in courses in which they are not enrolled including private courses.

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to HTML Injection in all versions up to, and including, 2.6.0. This is due to insufficient sanitization of HTML input in the Q&A functionality. This makes it possible for authenticated attackers, with Student access and above, to inject arbitrary HTML onto a site, though it does not allow Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Tutor LMS – eLearning and online course solution allows Stored XSS.This issue affects Tutor LMS – eLearning and online course solution: from n/a through 2.2.4.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Themeum Tutor LMS allows SQL Injection.This issue affects Tutor LMS: from n/a through 2.1.10.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Themeum Tutor LMS allows SQL Injection.This issue affects Tutor LMS: from n/a through 2.2.0.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Themeum Tutor LMS allows SQL Injection.This issue affects Tutor LMS: from n/a through 2.1.10.

The Tutor LMS WordPress plugin before 2.3.0 does not sanitise and escape some of its settings, which could allow users such as subscriber 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 2.2.1 does not implement adequate permission checks for REST API endpoints, allowing unauthenticated attackers to access information from Lessons that should not be publicly available.

The Tutor LMS WordPress plugin before 2.0.10 does not sanitise and escape the reset_key and user_id parameters before outputting then back in attributes, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin