CVE-2021-25056 Explained : Impact and Mitigation

Ninja Forms < 3.6.10 - Admin+ Stored Cross-Site Scripting vulnerability allows high privilege users to execute Cross-Site Scripting attacks in the WordPress plugin.

Understanding CVE-2021-25056

This CVE highlights a security issue in the Ninja Forms Contact Form plugin for WordPress that can be exploited by high privilege users.

What is CVE-2021-25056?

The Ninja Forms Contact Form WordPress plugin before version 3.6.10 is vulnerable to stored Cross-Site Scripting (XSS) due to improper sanitization of field labels.

The Impact of CVE-2021-25056

This vulnerability enables attackers with high privileges to launch XSS attacks, potentially leading to unauthorized actions and data theft on affected websites.

Technical Details of CVE-2021-25056

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The issue arises from the lack of proper sanitization and escaping of field labels, opening up avenues for malicious scripts to be executed.

Affected Systems and Versions

The security flaw affects Ninja Forms Contact Form plugin versions prior to 3.6.10.

Exploitation Mechanism

High privilege users, even with restricted capabilities, can leverage this vulnerability to run XSS attacks.

Mitigation and Prevention

Protecting your system from potential exploitation is crucial.

Immediate Steps to Take

Update the Ninja Forms Contact Form plugin to version 3.6.10 or later to patch the vulnerability.

Long-Term Security Practices

Regularly update all plugins and themes, implement least privilege principles, and conduct security audits to prevent future incidents.

Patching and Updates

Stay informed about security patches and promptly apply updates to ensure your WordPress website remains secure.