CVE-2023-6524 : Exploit Details and Defense Strategies

This is a Stored Cross-Site Scripting vulnerability found in the MapPress Maps for WordPress plugin.

Understanding CVE-2023-6524

This CVE identifies a security flaw in the MapPress Maps for WordPress plugin that allows authenticated attackers with contributor access or higher to inject arbitrary web scripts using the map title parameter.

What is CVE-2023-6524?

The CVE-2023-6524 vulnerability is categorized as CWE-80, specifically referring to the improper neutralization of script-related HTML tags in a web page, also known as basic Cross-Site Scripting (XSS).

The Impact of CVE-2023-6524

The impact of this vulnerability is considered medium with a base severity score of 6.4 out of 10. If exploited, attackers could inject malicious scripts, leading to potential data theft, unauthorized access, or other harmful activities on affected websites.

Technical Details of CVE-2023-6524

The vulnerability arises due to insufficient input sanitization and output escaping in the map title parameter of the MapPress Maps for WordPress plugin versions up to and including 2.88.13.

Vulnerability Description

The Stored Cross-Site Scripting vulnerability allows attackers to inject and execute arbitrary web scripts within pages of the affected plugin.

Affected Systems and Versions

The vulnerability affects all versions of the MapPress Maps for WordPress plugin up to and including 2.88.13.

Exploitation Mechanism

Authenticated attackers with contributor access or higher can exploit this vulnerability by manipulating the map title parameter to inject malicious scripts that execute when a user accesses the affected page.

Mitigation and Prevention

To address CVE-2023-6524, immediate steps should be taken to mitigate the risk and prevent exploitation of the vulnerability.

Immediate Steps to Take

Update the MapPress Maps for WordPress plugin to version 2.88.14 or above, where the vulnerability has been patched.
Regularly monitor plugin updates and security advisories to stay informed about potential vulnerabilities.

Long-Term Security Practices

Implement strict input validation and output escaping mechanisms in web applications to prevent XSS attacks.
Train website administrators and contributors on secure coding practices and the risks associated with inadequate input sanitization.

Patching and Updates

Ensure that all plugins, themes, and core WordPress installations are regularly updated to the latest versions to patch known security vulnerabilities and protect against potential exploits.

By following these mitigation strategies and maintaining a proactive security posture, website owners can safeguard their online assets from the risks posed by CVE-2023-6524.