CVE-2021-24259 : Exploit Details and Defense Strategies

A stored Cross-Site Scripting (XSS) vulnerability has been identified in the 'Elementor Addon Elements' WordPress Plugin before version 1.11.2. This vulnerability allows lower-privileged users, such as contributors, to execute malicious scripts via specific widgets.

Understanding CVE-2021-24259

This section provides insights into the details and impact of CVE-2021-24259.

What is CVE-2021-24259?

The 'Elementor Addon Elements' WordPress Plugin before 1.11.2 is susceptible to stored Cross-Site Scripting (XSS) attacks. The vulnerability enables contributors and other lower-privileged users to inject malicious scripts using certain widgets.

The Impact of CVE-2021-24259

Due to this vulnerability, attackers can exploit the XSS flaw to execute unauthorized actions, compromise user data, or perform other malicious activities on affected sites.

Technical Details of CVE-2021-24259

This section covers the technical aspects of the vulnerability, including the description, affected systems, and the exploitation mechanism.

Vulnerability Description

The stored XSS vulnerability in the 'Elementor Addon Elements' WordPress Plugin (version < 1.11.2) allows contributors and similar users to execute malicious scripts through specific widgets, posing a security risk to affected websites.

Affected Systems and Versions

The vulnerability affects versions of the 'Elementor Addon Elements' plugin prior to 1.11.2. Websites utilizing these versions are at risk of exploitation by lower-privileged users.

Exploitation Mechanism

Attackers, including contributors, can leverage the XSS vulnerability in the plugin's widgets to insert and execute harmful scripts on vulnerable sites, potentially leading to unauthorized data access or site compromise.

Mitigation and Prevention

In light of CVE-2021-24259, it is crucial to take immediate steps to secure affected systems and implement long-term security measures.

Immediate Steps to Take

Website administrators are advised to update the 'Elementor Addon Elements' plugin to version 1.11.2 or above to mitigate the XSS vulnerability. Additionally, monitoring user-contributed content can help prevent malicious injections.

Long-Term Security Practices

Maintaining regular security audits, staying informed about plugin updates, and educating users on safe content practices are essential for enhancing website security and preventing future vulnerabilities.

Patching and Updates

Continuously monitor for security patches and updates for the 'Elementor Addon Elements' plugin. Timely installation of patches can help safeguard websites against known vulnerabilities.