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 link_target parameter in all versions up to, and including, 2.8.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, 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 2.8.1.1 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. The vulnerability affects the page builder interface and can impact other users viewing affected pages. The scope is changed, meaning the attack can extend beyond the vulnerable component itself.
What an attacker can do
Inject malicious JavaScript that executes in other users' browsers when they view affected pages.
Potential impact on your site
Authenticated users with page-building permissions can inject scripts affecting other site visitors and administrators.
Conditions required to exploit
Attacker must have a low-privilege account (e.g., contributor or editor role) on the site.
Key dates
External resources
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