CVE-2021-24165 : What You Need to Know

Ninja Forms Contact Form WordPress plugin before version 3.4.34 is affected by an open redirect vulnerability in the wp_ajax_nf_oauth_connect AJAX action.

Understanding CVE-2021-24165

This CVE describes a security issue in the Ninja Forms Contact Form plugin for WordPress.

What is CVE-2021-24165?

The vulnerability in the plugin allowed for an open redirect due to the use of a user-supplied redirect parameter without proper protection.

The Impact of CVE-2021-24165

Attackers could exploit this vulnerability to redirect users to malicious sites, potentially leading to phishing attacks or the installation of malware.

Technical Details of CVE-2021-24165

This section provides details on the vulnerability, affected systems, and how exploitation can occur.

Vulnerability Description

The wp_ajax_nf_oauth_connect AJAX action in Ninja Forms Contact Form plugin before 3.4.34 was susceptible to an open redirect attack.

Affected Systems and Versions

The issue affects versions of Ninja Forms Contact Form plugin prior to 3.4.34.

Exploitation Mechanism

By manipulating the user-supplied redirect parameter, malicious actors could redirect users to untrusted sites.

Mitigation and Prevention

Learn how to protect your systems and prevent exploitation of this vulnerability.

Immediate Steps to Take

Developers and users should update the Ninja Forms Contact Form plugin to version 3.4.34 or later to mitigate the risk.

Long-Term Security Practices

Regularly update plugins and ensure robust security measures are in place to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security patches and apply updates promptly to safeguard against known vulnerabilities.