Brainstorm Force Ultimate Addons for WPBakery Page Builder DOM-Based Cross-Site Scripting Vulnerability

Vulnerability

A DOM-based cross-site scripting vulnerability has been identified in Brainstorm Force Ultimate Addons for WPBakery Page Builder, affecting versions prior to 3.21.4. This vulnerability arises from improper input neutralization during web page generation, allowing malicious actors to inject scripts that could be executed in the context of the user.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed when users visit the affected site. This could be used to deliver harmful payloads, such as redirects or advertisements, potentially leading to more severe attacks like phishing or malware distribution.

Remediation

Users of the affected plugin should update to version 3.21.4 or later. Patchstack users can enable auto-update for vulnerable plugins.

Added: Apr 1, 2026, 9:34 AM
Updated: Apr 1, 2026, 9:34 AM

Vulnerability Rating

Custom Algorithm
spread
5.2
impact
1.7
exploitability
5.0
remediation
7.7
relevance
5.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.