Ultimate Addons for WPBakery Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Ultimate Addons for WPBakery plugin for WordPress, affecting all versions prior to 3.21.1. This vulnerability arises from inadequate input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary scripts into pages. The injected scripts are executed when users access the compromised pages.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users of the Ultimate Addons for WPBakery plugin should update to version 3.21.1 or later.