CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JavaScript row settings in all versions up to, and including, 2.8.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
Beaver Builder Page Builder versions up to 2.8.4.4 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts affecting other users on the site. The vulnerability exists due to insufficient input sanitization in the page builder interface. An attacker with low-level site access can craft malicious content that executes in other users' browsers when they view affected pages.
What an attacker can do
Inject JavaScript code that runs in other users' browsers and affects site functionality or steals session data.
Potential impact on your site
Authenticated users with low privileges can inject malicious scripts affecting other site users and administrators.
Conditions required to exploit
Attacker must have a low-privilege account (e.g., contributor or editor role) on the WordPress site.
Key dates
External resources
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