CVE-2021-24984 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-24984 which involves a Reflected Cross-Site Scripting vulnerability in the WPFront User Role Editor WordPress plugin before version 3.2.1.11184.

Understanding CVE-2021-24984

This section provides insights into the nature of the CVE-2021-24984 vulnerability.

What is CVE-2021-24984?

The WPFront User Role Editor WordPress plugin before version 3.2.1.11184 fails to properly sanitize and escape the changes-saved parameter. This flaw occurs in the admin dashboard, resulting in a Reflected Cross-Site Scripting (XSS) vulnerability.

The Impact of CVE-2021-24984

Exploitation of this vulnerability can allow attackers to execute arbitrary scripts in the context of a victim's browser session, potentially leading to unauthorized actions being performed on behalf of the user.

Technical Details of CVE-2021-24984

This section delves into the technical aspects of CVE-2021-24984, including affected systems, exploitation mechanisms, and more.

Vulnerability Description

The vulnerability arises from the plugin's failure to properly sanitize user input, specifically the changes-saved parameter, before displaying it back in the admin dashboard.

Affected Systems and Versions

WPFront User Role Editor versions earlier than 3.2.1.11184 are impacted by this vulnerability.

Exploitation Mechanism

An attacker can exploit this issue by enticing a logged-in WordPress administrator to click on a specially crafted link that contains malicious code, triggering the execution of unauthorized scripts.

Mitigation and Prevention

In this section, you will find strategies to mitigate the risks associated with CVE-2021-24984 and prevent potential exploits.

Immediate Steps to Take

WordPress site administrators are advised to update the WPFront User Role Editor plugin to version 3.2.1.11184 or later to address this vulnerability. Regularly monitor security advisories for any patches or updates.

Long-Term Security Practices

Implement secure coding practices, such as input validation and output sanitization, to prevent XSS vulnerabilities in custom WordPress plugins. Educate users about the risks of clicking on suspicious links.

Patching and Updates

Stay informed about security updates and patches released by the plugin vendor. Promptly apply patches to ensure that known vulnerabilities are addressed and security measures are up to date.