CVE-2021-4402 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-4402, a Cross-Site Request Forgery vulnerability affecting the Multiple Roles plugin for WordPress.

Understanding CVE-2021-4402

This section will provide insights into the nature and impact of the CVE-2021-4402 vulnerability.

What is CVE-2021-4402?

The Multiple Roles plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.1. Attackers can add additional roles to users via a forged request.

The Impact of CVE-2021-4402

The vulnerability allows unauthenticated attackers to manipulate user roles on a WordPress site, compromising its integrity and security.

Technical Details of CVE-2021-4402

Explore the specific technical aspects of the CVE-2021-4402 vulnerability.

Vulnerability Description

The flaw arises from missing or incorrect nonce validation in certain functions, enabling unauthorized role modifications.

Affected Systems and Versions

The Multiple Roles plugin versions up to 1.3.1 are susceptible to this CSRF vulnerability.

Exploitation Mechanism

Attackers trick site administrators into unknowingly performing actions that alter user roles, impacting site security.

Mitigation and Prevention

Discover the measures to mitigate the risks posed by CVE-2021-4402.

Immediate Steps to Take

Update the Multiple Roles plugin immediately to version 1.3.2 or newer to patch the vulnerability and enhance site security.

Long-Term Security Practices

Regularly monitor and update WordPress plugins to safeguard against potential vulnerabilities and maintain optimal security.

Patching and Updates

Stay informed about security updates and promptly apply patches to fortify WordPress sites against emerging threats.