CVE-2021-36911 Explained : Impact and Mitigation

WordPress Comment Engine Pro plugin (versions <= 1.0) has been found to have a Stored Cross-Site Scripting (XSS) vulnerability. This vulnerability could be exploited by users with Editor or higher roles.

Understanding CVE-2021-36911

This CVE details a security flaw in the WordPress Comment Engine Pro plugin that allows for Stored Cross-Site Scripting (XSS) attacks on vulnerable versions (<= 1.0).

What is CVE-2021-36911?

The CVE-2021-36911 refers to a Stored Cross-Site Scripting (XSS) vulnerability discovered in the WordPress Comment Engine Pro plugin (versions <= 1.0). This vulnerability could be abused by users with Editor or higher role access.

The Impact of CVE-2021-36911

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.8. It is important to address this issue promptly to prevent potential exploitation by malicious actors.

Technical Details of CVE-2021-36911

This section provides more insights into the vulnerability affecting the WordPress Comment Engine Pro plugin.

Vulnerability Description

The vulnerability is classified as CWE-79 - Cross-site Scripting (XSS) and allows for malicious scripts to be injected and executed within the plugin's functionality.

Affected Systems and Versions

The vulnerability affects versions of the Comment Engine Pro plugin that are less than or equal to 1.0.

Exploitation Mechanism

Malicious users with Editor or higher role access can exploit this vulnerability to inject and execute arbitrary scripts within the plugin.

Mitigation and Prevention

To safeguard systems from potential exploitation, immediate steps need to be taken as well as implementing long-term security practices and timely patching and updates.

Immediate Steps to Take

Deactivate and delete the vulnerable WordPress Comment Engine Pro plugin version 1.0 to prevent exploitation of this XSS vulnerability.

Long-Term Security Practices

It is essential to regularly update plugins and software, enforce the principle of least privilege, educate users on safe practices, and conduct periodic security audits.

Patching and Updates

Stay informed about security updates and patches released by plugin vendors. Apply these patches promptly to mitigate known vulnerabilities.