CVE-2021-24464 : Exploit Details and Defense Strategies

This article delves into the details of CVE-2021-24464, a vulnerability found in the YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin.

Understanding CVE-2021-24464

This section provides insights into the nature of the vulnerability and its potential impact.

What is CVE-2021-24464?

The YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin before version 2.3.9 is susceptible to an authenticated Stored Cross-Site Scripting issue. This vulnerability arises from the lack of proper escaping, validation, or sanitization of certain shortcode options by the plugin. Attackers with roles as low as Contributor can exploit this vulnerability.

The Impact of CVE-2021-24464

The presence of this vulnerability enables attackers to inject malicious scripts into the plugin, potentially leading to unauthorized access, data theft, and further exploitation by the attacker.

Technical Details of CVE-2021-24464

This section provides technical specifics of the CVE.

Vulnerability Description

The vulnerability allows authenticated users with low roles to execute Cross-Site Scripting attacks through specially crafted shortcode options within the plugin.

Affected Systems and Versions

The YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin versions earlier than 2.3.9 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can leverage this vulnerability by manipulating specific shortcode options to inject malicious scripts into the plugin, thereby compromising the security of the WordPress site.

Mitigation and Prevention

This section suggests measures to mitigate the risks associated with CVE-2021-24464.

Immediate Steps to Take

WordPress site administrators are advised to update the plugin to version 2.3.9 or newer to eliminate the vulnerability. Restricting plugin access to trusted users also helps mitigate the risk.

Long-Term Security Practices

Regularly updating plugins and maintaining a proactive security posture can prevent similar vulnerabilities in the future. Conducting security audits and educating users on secure plugin usage are vital.

Patching and Updates

Stay informed about security updates for the YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin and promptly apply patches to safeguard your site.