CVE-2021-24242 : Vulnerability Insights and Analysis

A local file inclusion vulnerability has been discovered in the Tutor LMS WordPress plugin before version 1.8.8, allowing high privilege users to include any local PHP file through a maliciously constructed parameter.

Understanding CVE-2021-24242

This CVE identifies an authenticated local file inclusion vulnerability in the Tutor LMS plugin.

What is CVE-2021-24242?

The CVE-2021-24242 vulnerability in Tutor LMS allows users to exploit the 'Tools' section using a crafted sub_page parameter, leading to unauthorized inclusion of local PHP files.

The Impact of CVE-2021-24242

This vulnerability could be leveraged by high privilege users to execute arbitrary PHP code on the server, potentially compromising sensitive data or taking control of the affected system.

Technical Details of CVE-2021-24242

This section dives into specific technical aspects of the CVE.

Vulnerability Description

The local file inclusion vulnerability stems from insufficient input sanitization, enabling attackers to manipulate parameters and include malicious files.

Affected Systems and Versions

The vulnerability affects Tutor LMS plugin versions prior to 1.8.8.

Exploitation Mechanism

By exploiting the sub_page parameter in the 'Tools' section, attackers with high permissions can specify arbitrary PHP files to include, escalating their privileges.

Mitigation and Prevention

Protecting your system from CVE-2021-24242 is crucial to prevent potential exploits.

Immediate Steps to Take

Upgrade Tutor LMS to version 1.8.8 or higher to patch the vulnerability and mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update plugins and maintain vigilance on WordPress security best practices to stay protected from emerging threats.

Patching and Updates

Stay informed about security patches released by the plugin vendor and apply them promptly to ensure the security of your WordPress site.