Unauthenticated XSS in MaxGalleria

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the MaxGalleria WordPress plugin versions 6.5.3 and below. It allows attackers to inject malicious scripts into websites without authentication. The vulnerability enables stealing visitor data or hijacking accounts by tricking users into clicking malicious links or submitting forms.

Useful 0 Not Useful 0

Detection Guidance

Check if your MaxGalleria plugin version is 6.5.3 or below. Look for unusual script injections in web pages or user input fields. No specific commands are provided in the resources.

Useful 0 Not Useful 0

Impact Analysis

Attackers could exploit this to steal sensitive visitor data, hijack user accounts, or perform actions on behalf of users. The risk is moderate but could affect thousands of websites if exploited in mass campaigns. Users need only click a malicious link or submit a form for exploitation to occur.

Useful 0 Not Useful 0

Compliance Impact

This XSS vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for protecting user data. Organizations may face fines or legal consequences if exploited, as it compromises data confidentiality and integrity.

Useful 0 Not Useful 0

Mitigation Strategies

Update MaxGalleria to version 6.5.4 or later. If updating is not possible, apply the mitigation rule provided by Patchstack immediately.

Useful 0 Not Useful 0