What the vulnerability does
01Description
The Beaver Builder – WordPress Page Builder for WordPress is vulnerable to Stored Cross-Site Scripting via the 'caption' parameter added to images via the media uploader in versions up to, and including, 2.5.5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with access to the Beaver Builder editor and the ability to upload media files to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
Beaver Builder 2.5.5.2 contains a stored cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts into page content. The injected code executes in the browsers of other site visitors, potentially compromising their sessions or stealing data. The vulnerability affects the page builder's content handling and impacts all site visitors regardless of their role.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Malicious insiders or compromised user accounts can inject scripts that steal visitor data, hijack sessions, or deface pages.
Conditions required to exploit
05Prerequisites
Attacker must have a WordPress user account with page editing permissions (Contributor role or higher).
Key dates
06Disclosure timeline
September 6, 2022
CVE published
February 13, 2025
Record updated