CVE-2022-4677 : Vulnerability Insights and Analysis

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the Leaflet Maps Marker WordPress plugin, affecting versions prior to 3.12.7. This vulnerability could be exploited by users with as low a role as contributor.

Understanding CVE-2022-4677

This section delves into the details of CVE-2022-4677.

What is CVE-2022-4677?

The Leaflet Maps Marker WordPress plugin before version 3.12.7 fails to validate and escape one of its shortcode attributes, enabling contributors or higher roles to execute Stored Cross-Site Scripting attacks.

The Impact of CVE-2022-4677

An attacker could inject malicious scripts via a shortcode, leading to unauthorized access, defacement, or other malicious activities on the affected WordPress sites.

Technical Details of CVE-2022-4677

Let's explore the technical aspects of CVE-2022-4677.

Vulnerability Description

The vulnerability arises from the plugin's failure to properly validate and sanitize user-supplied data, paving the way for malicious script injection.

Affected Systems and Versions

Leaflet Maps Marker versions earlier than 3.12.7 are impacted by this XSS vulnerability.

Exploitation Mechanism

Attackers with contributor privileges or above can craft specially-crafted shortcodes to execute XSS attacks on vulnerable sites.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2022-4677.

Immediate Steps to Take

Admins should update the Leaflet Maps Marker plugin to version 3.12.7 or later to remediate this XSS vulnerability. Regularly monitor for any signs of unauthorized access or malicious activities.

Long-Term Security Practices

Enforce the principle of least privilege to restrict user roles and permissions. Educate site administrators on secure coding practices and the risks of XSS vulnerabilities.

Patching and Updates

Stay vigilant for security updates from plugin developers and promptly apply patches to safeguard against known vulnerabilities.