CVE-2022-40191 Explained : Impact and Mitigation

A detailed overview of the Authenticated Stored Cross-Site Scripting (XSS) vulnerability in Ali Khallad's Contact Form By Mega Forms WordPress plugin version 1.2.4 and below.

Understanding CVE-2022-40191

This CVE-2022-40191 involves an Authenticated Stored Cross-Site Scripting (XSS) vulnerability in the Contact Form By Mega Forms plugin version 1.2.4 and earlier.

What is CVE-2022-40191?

CVE-2022-40191 is an Authenticated Stored Cross-Site Scripting (XSS) vulnerability allowing attackers with subscriber level access to inject malicious scripts in WordPress.

The Impact of CVE-2022-40191

The vulnerability poses a medium severity risk with a CVSS base score of 5.4. It can lead to unauthorized disclosure of information with low integrity and confidentiality impact.

Technical Details of CVE-2022-40191

Here are the technical details related to CVE-2022-40191:

Vulnerability Description

This vulnerability allows authenticated users (subscriber level and above) to inject and execute malicious scripts via crafted input fields.

Affected Systems and Versions

The vulnerability affects Contact Form By Mega Forms plugin versions <= 1.2.4.

Exploitation Mechanism

Attackers with subscriber access can exploit this vulnerability by injecting malicious scripts through specific input fields on WordPress sites.

Mitigation and Prevention

Protect your WordPress site from CVE-2022-40191 with these best practices:

Immediate Steps to Take

Update the Contact Form By Mega Forms plugin to version 1.2.5 or higher to patch the vulnerability.

Long-Term Security Practices

Regularly monitor and update WordPress plugins to stay protected from potential security risks.

Patching and Updates

Stay informed about security patches and updates for all plugins and themes installed on your WordPress site to mitigate future vulnerabilities.