CVE-2021-24383 : Security Advisory and Response

The WP Google Maps WordPress plugin before version 8.1.12 is prone to an authenticated Stored Cross-Site Scripting (XSS) vulnerability due to improper input sanitization in the Map Name field within the admin dashboard Map List.

Understanding CVE-2021-24383

This CVE identifies a security issue in the WP Google Maps plugin that could be exploited by attackers to execute malicious scripts in the context of a user with administrative privileges.

What is CVE-2021-24383?

The vulnerability in WP Google Maps version < 8.1.12 allows an authenticated attacker to inject and execute arbitrary JavaScript code through the Map Name field, posing a risk of Cross-Site Scripting (XSS) attacks.

The Impact of CVE-2021-24383

This vulnerability could result in an attacker compromising the integrity of a website, stealing sensitive data, or performing actions on behalf of the admin user, leading to a security breach.

Technical Details of CVE-2021-24383

The following are the technical details regarding the CVE-2021-24383 vulnerability:

Vulnerability Description

The flaw arises from the lack of proper sanitization, validation, or escaping of user-supplied input in the Map Name field, enabling attackers to embed malicious scripts that get executed in the context of an authenticated user.

Affected Systems and Versions

WP Google Maps versions prior to 8.1.12 are impacted by this vulnerability. Users with affected versions should take immediate action to mitigate the risk.

Exploitation Mechanism

Attackers with authenticated access can exploit this vulnerability by injecting malicious scripts into the Map Name field within the admin dashboard, potentially leading to unauthorized code execution.

Mitigation and Prevention

To address the CVE-2021-24383 vulnerability, users and administrators are advised to take the following measures:

Immediate Steps to Take

Update WP Google Maps to version 8.1.12 or later to eliminate the security flaw.
Monitor for any unauthorized changes on the website or unusual activities indicating a potential exploit.

Long-Term Security Practices

Regularly update plugins and software to ensure the latest security patches are in place.
Educate users on best practices to prevent XSS attacks and other common web security threats.

Patching and Updates

Ensure that all software components, including plugins, themes, and the WordPress core, are kept up to date to prevent known vulnerabilities from being exploited.