CVE-2021-24668 : Security Advisory and Response

This article provides an overview of CVE-2021-24668, detailing the impact, technical description, affected systems, exploitation mechanism, mitigation steps, and more.

Understanding CVE-2021-24668

CVE-2021-24668, also known as MAZ Loader < 1.4.1 - Arbitrary Loader Deletion via CSRF, is a vulnerability found in the MAZ Loader WordPress plugin.

What is CVE-2021-24668?

The MAZ Loader WordPress plugin before version 1.4.1 is susceptible to a CSRF attack due to the lack of nonce checks. This allows malicious actors to trick administrators into unknowingly deleting critical loaders.

The Impact of CVE-2021-24668

The vulnerability enables threat actors to exploit Cross-Site Request Forgery (CSRF) to perform unauthorized actions via authenticated user sessions, compromising the integrity of the website.

Technical Details of CVE-2021-24668

Below are the technical details associated with CVE-2021-24668.

Vulnerability Description

The MAZ Loader WordPress plugin, versions prior to 1.4.1, lacks proper nonce checks, facilitating CSRF attacks. Attackers can exploit this weakness to force administrators to delete loaders without their consent.

Affected Systems and Versions

The vulnerability impacts MAZ Loader < 1.4.1 running on WordPress instances. Specifically, version 1.4.1 and lower are susceptible to this security flaw.

Exploitation Mechanism

By leveraging CSRF attacks, malicious entities can craft requests disguised as legitimate administrator actions, resulting in the unintended deletion of loaders by unaware site administrators.

Mitigation and Prevention

To address CVE-2021-24668 effectively, consider the following mitigation strategies and security best practices.

Immediate Steps to Take

Administer immediate patches or updates to the MAZ Loader plugin to ensure the nonce checks are properly enforced, mitigating the CSRF vulnerability. Additionally, stay vigilant for any unauthorized loader deletions.

Long-Term Security Practices

Implement robust security measures, such as regularly updating plugins, employing web application firewalls, and conducting security audits to prevent CSRF and other web-based attacks.

Patching and Updates

Regularly monitor for updates from the plugin vendor and promptly apply patches to maintain the security of WordPress websites against known vulnerabilities.