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 button link parameter in all versions up to, and including, 2.7.4.2 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 2.7.4.2 contain a cross-site scripting vulnerability that allows authenticated users with low privileges to inject malicious scripts. The vulnerability has a changed scope, meaning the impact extends beyond the vulnerable component itself. Site administrators should update to a version newer than 2.7.4.2 to remediate this issue.
What an attacker can do
Inject and execute malicious JavaScript that affects other users or site functionality.
Potential impact on your site
Authenticated users can inject scripts affecting other visitors or site operations; scope extends beyond the plugin.
Conditions required to exploit
Attacker must be authenticated with low-level user privileges; no user interaction required.
Key dates
External resources
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