CVE-2021-25081 Explained : Impact and Mitigation

A vulnerability has been identified in the Maps Plugin using Google Maps for WordPress plugin before version 1.8.4. Attackers could exploit this flaw to perform arbitrary post deletions and update the plugin's settings through a CSRF attack.

Understanding CVE-2021-25081

This CVE ID pertains to a security issue found in the Maps Plugin using Google Maps for WordPress plugin, allowing attackers to manipulate plugin settings and delete posts without authorization.

What is CVE-2021-25081?

The vulnerability in the Maps Plugin using Google Maps for WordPress plugin before version 1.8.4 lacks CSRF checks in most AJAX actions. This oversight permits malicious actors to coerce logged-in administrators to delete any post or modify plugin settings via CSRF attacks.

The Impact of CVE-2021-25081

Without proper CSRF validation, threat actors can carry out unauthorized post deletions and alter crucial plugin configurations. This may lead to information loss, website defacement, and unauthorized changes impacting site functionality.

Technical Details of CVE-2021-25081

The following details outline the technical aspects of CVE-2021-25081.

Vulnerability Description

The vulnerability stems from the absence of CSRF protection mechanisms in the Maps Plugin using Google Maps for WordPress plugin. This security weakness enables attackers to manipulate plugin settings and delete posts without proper authorization.

Affected Systems and Versions

Only versions of the WP Google Map plugin prior to 1.8.4 are impacted by this vulnerability. Users with versions equal to or lower than 1.8.4 are advised to take immediate action to mitigate the risk.

Exploitation Mechanism

By leveraging the lack of CSRF verifications in AJAX actions, threat actors can craft malicious requests that force authenticated administrators to unwittingly delete posts or update plugin settings.

Mitigation and Prevention

To safeguard systems from CVE-2021-25081, users are advised to implement the following security measures.

Immediate Steps to Take

Update the Maps Plugin using Google Maps for WordPress to version 1.8.4 or later to eliminate the vulnerability.
Ensure robust cross-site request forgery (CSRF) protections are in place to prevent unauthorized actions.

Long-Term Security Practices

Regularly monitor security advisories and update plugins promptly to patch known vulnerabilities.
Conduct security audits to identify and address any existing weaknesses in WordPress plugins and themes.

Patching and Updates

Stay informed about security patches and updates for the WP Google Map plugin. Implement a proactive approach towards plugin maintenance to prevent security incidents.