CVE-2021-34633 : Security Advisory and Response

A Cross-Site Request Forgery vulnerability affecting the Youtube Feeder WordPress plugin up to version 2.0.1 allows attackers to execute arbitrary web scripts.

Understanding CVE-2021-34633

This CVE involves a vulnerability in the Youtube Feeder WordPress plugin due to the printAdminPage function allowing Cross-Site Request Forgery leading to stored Cross-Site Scripting.

What is CVE-2021-34633?

The YouTube Feeder WordPress plugin up to version 2.0.1 is susceptible to Cross-Site Request Forgery, enabling malicious actors to inject arbitrary scripts into web pages.

The Impact of CVE-2021-34633

With a CVSS base score of 8.8, this vulnerability poses a high risk. Attackers can exploit this flaw to compromise data integrity, confidentiality, and availability without needing any special privileges.

Technical Details of CVE-2021-34633

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability lies in the printAdminPage function within the ~/youtube-feeder.php file, allowing attackers to perform Cross-Site Request Forgery and inject malicious scripts.

Affected Systems and Versions

The vulnerability affects Youtube Feeder versions up to and including 2.0.1.

Exploitation Mechanism

Malicious actors can leverage the vulnerability in the printAdminPage function to trick users into executing unauthorized actions on the application.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-34633, immediate actions and long-term security best practices are crucial.

Immediate Steps to Take

Uninstall the Youtube Feeder WordPress plugin to eliminate the vulnerability.

Long-Term Security Practices

Regularly update and patch all WordPress plugins to prevent similar security flaws.

Patching and Updates

Keep the WordPress platform and its plugins up to date with the latest security patches to ensure protection against known vulnerabilities.