CVE-2021-24192 : Vulnerability Insights and Analysis

Tree Sitemap WordPress plugin version 2.9 and below allows low privileged users to exploit an AJAX action, leading to arbitrary plugin installation and activation. This could pave the way for severe vulnerabilities like Remote Code Execution (RCE).

Understanding CVE-2021-24192

This section delves into the details of the CVE identifier, its impact, technical aspects, and recommended mitigation strategies.

What is CVE-2021-24192?

CVE-2021-24192 refers to a security vulnerability in the Tree Sitemap WordPress plugin versions prior to 2.9. It enables unauthorized users to manipulate an AJAX action for installing any plugin and activating arbitrary plugins from the blog.

The Impact of CVE-2021-24192

Exploiting CVE-2021-24192 empowers attackers to install vulnerable plugins, potentially leading to critical consequences like Remote Code Execution (RCE) on the affected WordPress site.

Technical Details of CVE-2021-24192

In this section, we explore the technical specifics of the CVE, outlining the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw enables low privileged users to misuse the 'cp_plugins_do_button_job_later_callback' AJAX action, allowing them to install any plugin from the WordPress repository and activate arbitrary plugins from the blog.

Affected Systems and Versions

The vulnerability impacts Tree Sitemap WordPress plugin versions prior to 2.9.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the AJAX action to install and activate plugins without proper authorization, thus compromising the integrity of the WordPress site.

Mitigation and Prevention

This section focuses on the immediate steps and long-term security practices to mitigate the risks associated with CVE-2021-24192.

Immediate Steps to Take

WordPress site administrators should update the Tree Sitemap plugin to version 2.9 or higher to address this vulnerability. Additionally, restrict access to privileged functionalities to authorized users only.

Long-Term Security Practices

Implement strict privilege management policies, regularly monitor plugins for vulnerabilities, and educate users about secure plugin installation practices to prevent similar incidents in the future.

Patching and Updates

Stay proactive with security updates for the Tree Sitemap plugin and other WordPress components to safeguard against emerging threats and ensure the robustness of your web platform.