CVE-2021-24280 : What You Need to Know

A detailed overview of CVE-2021-24280, a vulnerability found in the Redirection for Contact Form 7 WordPress plugin.

Understanding CVE-2021-24280

This section will delve into the specifics of the CVE-2021-24280 vulnerability in the Redirection for Contact Form 7 plugin.

What is CVE-2021-24280?

The CVE-2021-24280 vulnerability affects versions of the Redirection for Contact Form 7 plugin prior to 2.3.4, allowing any authenticated user to exploit the import_from_debug AJAX action to inject PHP objects.

The Impact of CVE-2021-24280

This security flaw enables attackers, even subscribers, to execute malicious PHP object injections, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2021-24280

Explore the technical aspects of CVE-2021-24280 to better understand its implications.

Vulnerability Description

The vulnerability involves improper handling of user input, specifically within the import_from_debug AJAX action, leading to PHP object injection by authenticated users.

Affected Systems and Versions

Redirection for Contact Form 7 plugin versions earlier than 2.3.4 are susceptible to this vulnerability, impacting websites that utilize these outdated versions.

Exploitation Mechanism

By utilizing the import_from_debug AJAX action, authenticated users can inject malicious PHP objects, potentially compromising the security of the WordPress site.

Mitigation and Prevention

Learn about the necessary steps to mitigate the CVE-2021-24280 vulnerability and safeguard WordPress installations.

Immediate Steps to Take

Website administrators should promptly update the Redirection for Contact Form 7 plugin to version 2.3.4 or newer to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing security best practices, such as regularly updating plugins and monitoring for unauthorized activities, can enhance the overall security posture of WordPress sites.

Patching and Updates

Stay informed about security patches released by plugin developers and promptly apply updates to keep WordPress installations secure.