CVE-2021-24183 : Security Advisory and Response

Tutor LMS version 1.8.3 and below is vulnerable to a SQL Injection via the tutor_quiz_builder_get_question_form WordPress plugin. This vulnerability could be exploited by students.

Understanding CVE-2021-24183

This CVE highlights a SQL Injection vulnerability in Tutor LMS versions prior to 1.8.3, specifically in the AJAX action from the plugin.

What is CVE-2021-24183?

The CVE-2021-24183 involves an SQL Injection vulnerability in the Tutor LMS plugin before version 1.8.3. This vulnerability could allow students to carry out UNION based SQL injection attacks.

The Impact of CVE-2021-24183

The impact of this vulnerability is significant as it could be exploited by students to execute malicious SQL queries, potentially leading to unauthorized data access or modification.

Technical Details of CVE-2021-24183

This section provides more insight into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the tutor_quiz_builder_get_question_form AJAX action in the vulnerable Tutor LMS plugin. It exposes the plugin to UNION based SQL injection attacks.

Affected Systems and Versions

Tutor LMS versions below 1.8.3 are affected by this vulnerability. Users with versions prior to 1.8.3 are at risk of exploitation.

Exploitation Mechanism

Exploitation of this vulnerability involves leveraging the SQL Injection capability in the tutor_quiz_builder_get_question_form action to execute malicious SQL queries.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-24183, immediate steps along with long-term security practices are essential.

Immediate Steps to Take

Users are advised to update their Tutor LMS plugin to version 1.8.3 or newer to eliminate the SQL Injection vulnerability. Additionally, monitoring for any suspicious activities is recommended.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating users on secure plugin usage can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly checking for and applying plugin updates, especially security patches released by the plugin vendor, is crucial for maintaining a secure WordPress environment.