CVE-2021-24467 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-24467 focusing on the Leaflet Map WordPress plugin vulnerability leading to stored XSS through CSRF.

Understanding CVE-2021-24467

This CVE highlights a security flaw in the Leaflet Map plugin version prior to 3.0.0, allowing attackers to conduct Cross-Site Request Forgery (CSRF) attacks resulting in stored Cross-Site Scripting (XSS) vulnerabilities.

What is CVE-2021-24467?

The Leaflet Map WordPress plugin before version 3.0.0 lacks CSRF nonce verification, enabling malicious actors to manipulate settings through CSRF attacks. This security loophole permits unauthorized modification of settings by logged-in admins via crafted requests.

The Impact of CVE-2021-24467

Exploitation of this vulnerability could lead to stored XSS issues, empowering threat actors to inject malicious scripts into pages that include embedded maps from the plugin. This could compromise the integrity and security of websites leveraging the vulnerable plugin.

Technical Details of CVE-2021-24467

Delve into the specifics of the CVE-2021-24467 vulnerability related to the Leaflet Map WordPress plugin.

Vulnerability Description

The vulnerability arises from the plugin's failure to validate CSRF tokens, enabling attackers to forge requests to manipulate plugin settings, potentially resulting in stored XSS attacks.

Affected Systems and Versions

The security issue impacts versions of the Leaflet Map plugin that are earlier than 3.0.0, leaving websites with these versions susceptible to exploit if not promptly addressed.

Exploitation Mechanism

By capitalizing on the absence of CSRF nonce verification, threat actors can deceive logged-in administrators into unknowingly changing plugin settings, paving the way for stored XSS attacks.

Mitigation and Prevention

Learn how to protect your systems from the CVE-2021-24467 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Website administrators are advised to update the Leaflet Map plugin to version 3.0.0 or later to mitigate the vulnerability. It is crucial to apply this patch promptly to safeguard against CSRF attacks leading to stored XSS vulnerabilities.

Long-Term Security Practices

Incorporating robust security practices, such as regularly updating plugins, implementing CSRF protection mechanisms, and conducting security audits can enhance the overall resilience of WordPress websites.

Patching and Updates

Stay informed about security patches released by plugin developers and promptly apply updates to ensure that your WordPress environment remains secure.