CVE-2023-0709 : Exploit Details and Defense Strategies

This is a detailed overview of CVE-2023-0709, a vulnerability found in the Metform Elementor Contact Form Builder plugin for WordPress.

Understanding CVE-2023-0709

This section will cover what CVE-2023-0709 is, its impact, technical details, as well as mitigation and prevention strategies.

What is CVE-2023-0709?

CVE-2023-0709 is a Cross-Site Scripting (XSS) vulnerability present in the Metform Elementor Contact Form Builder plugin for WordPress. The issue arises from the 'mf_last_name' shortcode, allowing authenticated attackers with contributor-level permissions or above to inject malicious scripts into web pages.

The Impact of CVE-2023-0709

The vulnerability in versions up to and including 3.3.0 of the plugin enables attackers to execute arbitrary web scripts when a victim visits a page containing the shortcode with the submission ID in the query string. While user interaction is required for script execution, the potential threat lies in the exploitation of this XSS flaw stored in the site database.

Technical Details of CVE-2023-0709

Here are the technical aspects, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The CVE-2023-0709 vulnerability allows attackers to conduct Cross-Site Scripting (XSS) attacks through the 'mf_last_name' shortcode, leading to the injection of arbitrary scripts into web pages.

Affected Systems and Versions

The affected system is the Metform Elementor Contact Form Builder plugin for WordPress, specifically versions up to and including 3.3.0.

Exploitation Mechanism

Authenticated attackers with contributor-level permissions or higher can exploit the vulnerability by inserting malicious scripts through the 'mf_last_name' shortcode, which will execute when a user visits a page with the compromised shortcode and submission ID in the query string.

Mitigation and Prevention

Learn how to protect your system against the CVE-2023-0709 vulnerability with immediate steps and long-term security practices.

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-0709, ensure to update the Metform Elementor Contact Form Builder plugin to a version beyond 3.3.0 and verify user inputs to prevent XSS attacks.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users on safe browsing behaviors to enhance overall WordPress security.

Patching and Updates

Stay informed about security patches released by the plugin developer and promptly apply updates to protect your WordPress website from known vulnerabilities.

By understanding the technical aspects and implementing the recommended security measures, users can safeguard their WordPress sites against potential exploitation of CVE-2023-0709.