CVE-2021-24504 : Exploit Details and Defense Strategies

A Stored Cross-Site Scripting (XSS) vulnerability, CVE-2021-24504 affects WP LMS WordPress plugin versions up to 1.1.2. This flaw allows attackers to insert malicious XSS payloads into User Field Titles, enabling potential attacks via CSRF.

Understanding CVE-2021-24504

This section will cover the details of the CVE-2021-24504 vulnerability in WP LMS plugin.

What is CVE-2021-24504?

The CVE-2021-24504 vulnerability in WP LMS plugin allows for the injection of XSS payloads in User Field Titles, making it susceptible to Cross-Site Scripting attacks.

The Impact of CVE-2021-24504

The impact of CVE-2021-24504 is significant as it could lead to unauthorized access, data theft, and potential manipulation of user information on affected systems.

Technical Details of CVE-2021-24504

This section will dive into the technical specifics of the CVE-2021-24504 vulnerability.

Vulnerability Description

The WP LMS WordPress plugin version 1.1.2 and below lack proper validation of User Field Titles, enabling malicious XSS payloads to be inserted, opening up the possibility of XSS attacks.

Affected Systems and Versions

WP LMS plugin versions up to 1.1.2 are impacted by this vulnerability, exposing websites leveraging these versions to XSS attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting crafted XSS payloads into User Field Titles, bypassing CSRF and capability checks.

Mitigation and Prevention

To safeguard your system from CVE-2021-24504, follow the mitigation strategies outlined below.

Immediate Steps to Take

Update the WP LMS plugin to the latest version to patch the vulnerability.
Conduct a security audit of your website to check for any unauthorized changes.

Long-Term Security Practices

Implement input validation mechanisms to prevent XSS vulnerabilities.
Regularly monitor and update security protocols to stay protected against emerging threats.

Patching and Updates

Stay informed about security updates and apply patches promptly to ensure your system's security.