Subscriber XSS in Fluent Boards Pro <= 2.0.11

Executive Summary

This is a Subscriber Cross Site Scripting (XSS) vulnerability in the Fluent Boards Pro WordPress plugin versions 2.0.11 and below. It allows attackers to inject malicious scripts into web pages through user interactions like link clicks or form submissions. The vulnerability requires a privileged user to trigger the attack.

Useful 0 Not Useful 0

Detection Guidance

Check if the Fluent Boards Pro plugin version is 2.0.11 or below. Look for unusual user interactions like form submissions or links that trigger unexpected scripts. Enable Patchstack's mitigation rule to block attacks until updated.

Useful 0 Not Useful 0

Impact Analysis

Attackers could inject malicious scripts to perform actions like website redirects or displaying unwanted ads. This could lead to unauthorized actions, data theft, or defacement of the website. Users with privileged access are required to trigger the attack.

Useful 0 Not Useful 0

Compliance Impact

This XSS vulnerability could potentially expose user data by allowing attackers to inject malicious scripts that steal information or manipulate content. For GDPR, this may lead to unauthorized data access, violating principles of data protection and user consent. Under HIPAA, if the plugin handles protected health information, the flaw could enable breaches of confidentiality requirements.

Useful 0 Not Useful 0

Mitigation Strategies

Update the Fluent Boards Pro plugin to version 2.0.12 or later immediately. Enable auto-updates for vulnerable plugins to prevent future issues. Apply Patchstack's mitigation rule if available.

Useful 0 Not Useful 0