CVE-2021-24296 Explained : Impact and Mitigation

WP Customer Reviews plugin before version 3.5.6 is vulnerable to an Authenticated Stored Cross-Site Scripting (XSS) attack that allows high privilege users to insert XSS payloads in settings triggering them on pages with enabled reviews.

Understanding CVE-2021-24296

This CVE highlights a security flaw in the WP Customer Reviews plugin that could be exploited by authenticated users to execute malicious XSS payloads.

What is CVE-2021-24296?

The CVE-2021-24296 impacts WP Customer Reviews plugin versions prior to 3.5.6, enabling administrators and other high-level users to inject harmful XSS code into settings.

The Impact of CVE-2021-24296

The vulnerability enables attackers to input malicious scripts that affect pages where user reviews are displayed, potentially leading to unauthorized access and data theft.

Technical Details of CVE-2021-24296

This section provides specific technical information about the vulnerability.

Vulnerability Description

The flaw in WP Customer Reviews plugin versions below 3.5.6 permits XSS injection into certain settings, which are executed on pages with enabled reviews.

Affected Systems and Versions

WP Customer Reviews plugin versions less than 3.5.6 are affected by this vulnerability.

Exploitation Mechanism

High privilege users like administrators leverage this vulnerability to inject and run XSS payloads within the plugin settings.

Mitigation and Prevention

Protecting your systems and data from CVE-2021-24296 requires immediate action and long-term security practices.

Immediate Steps to Take

Ensure that your WP Customer Reviews plugin is updated to version 3.5.6 or later to safeguard against this vulnerability.

Long-Term Security Practices

Regularly update all plugins and themes to prevent security gaps and employ a web application firewall for added protection.

Patching and Updates

Stay informed about security patches and updates for all WordPress plugins to address vulnerabilities like CVE-2021-24296 effectively.