CVE-2021-24502 : Vulnerability Insights and Analysis

A Stored Cross-Site Scripting vulnerability exists in the WP Google Map WordPress plugin before 1.7.7. This security flaw enables high privilege users to inject malicious scripts into the Map Title, potentially compromising the website's security.

Understanding CVE-2021-24502

This vulnerability arises from a lack of sanitization in user input, allowing attackers to exploit the affected plugin and execute unauthorized scripts.

What is CVE-2021-24502?

The WP Google Map WordPress plugin before version 1.7.7 fails to properly filter user-supplied data, leading to the execution of arbitrary code within the context of the affected site.

The Impact of CVE-2021-24502

An attacker with authenticated access can leverage this vulnerability to execute malicious scripts, perform actions on behalf of site administrators, steal sensitive information, and potentially take full control of the website.

Technical Details of CVE-2021-24502

This section provides deeper insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw in WP Google Map plugin allows high privilege users to exploit the lack of input sanitization and inject scripts into the Map Title, resulting in a Stored Cross-Site Scripting issue.

Affected Systems and Versions

WP Google Map plugin versions prior to 1.7.7 are vulnerable to this Stored Cross-Site Scripting vulnerability.

Exploitation Mechanism

Attackers, even with disallowed unfiltered_html capability, can craft specially-crafted Map Titles to execute arbitrary scripts.

Mitigation and Prevention

Protecting your system from CVE-2021-24502 involves immediate steps and long-term security practices.

Immediate Steps to Take

Update the WP Google Map plugin to version 1.7.7 or later to address the vulnerability.
Monitor user-generated content for malicious inputs and implement strict input validation.

Long-Term Security Practices

Regularly update all plugins, themes, and WordPress core to patch known vulnerabilities.
Educate users on secure coding practices and encourage the use of Content Security Policy (CSP) headers.

Patching and Updates

Stay informed about security updates released by plugin developers and promptly apply patches to ensure ongoing protection against potential threats.