CVE-2023-6737 : Vulnerability Insights and Analysis

This is a detailed overview of CVE-2023-6737, a vulnerability found in the Enable Media Replace plugin for WordPress.

Understanding CVE-2023-6737

CVE-2023-6737 is a vulnerability in the Enable Media Replace plugin for WordPress that allows for Reflected Cross-Site Scripting via the SHORTPIXEL_DEBUG parameter in versions up to and including 4.1.4. This vulnerability arises due to insufficient input sanitization and output escaping, enabling unauthenticated attackers to inject arbitrary web scripts into affected pages.

What is CVE-2023-6737?

The CVE-2023-6737 vulnerability in the Enable Media Replace plugin for WordPress permits unauthenticated attackers to inject arbitrary web scripts using the SHORTPIXEL_DEBUG parameter. Exploiting this vulnerability requires the attacker to possess the ID of an attachment uploaded by the user they are targeting.

The Impact of CVE-2023-6737

This vulnerability poses a medium severity risk with a base CVSS score of 4.7. If successfully exploited, attackers can execute arbitrary web scripts that could potentially compromise user data or lead to further security breaches.

Technical Details of CVE-2023-6737

The following technical details outline the vulnerability in the Enable Media Replace plugin:

Vulnerability Description

The vulnerability allows for Reflected Cross-Site Scripting via the SHORTPIXEL_DEBUG parameter due to insufficient input sanitization and output escaping.

Affected Systems and Versions

Versions of the Enable Media Replace plugin up to and including 4.1.4 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting arbitrary web scripts into pages that execute when a user performs actions such as clicking on a manipulated link.

Mitigation and Prevention

To address CVE-2023-6737 and enhance security measures, consider the following mitigation strategies:

Immediate Steps to Take

Update the Enable Media Replace plugin to version 4.1.5 or newer to patch the vulnerability.
Limit access to the affected plugin to authenticated and trusted users only.
Educate users to avoid clicking on suspicious links or performing actions prompted by untrusted sources.

Long-Term Security Practices

Implement regular security audits and vulnerability scans on WordPress plugins and themes.
Stay informed about security updates and patches released by plugin developers.
Encourage strong password policies and user awareness training to mitigate potential risks.

Patching and Updates

Regularly check for updates and security patches for the Enable Media Replace plugin, ensuring that the latest version is installed to prevent exploitation of known vulnerabilities.