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 for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Image URL' value found in the Media block 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 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 2.5.5.2 contains a stored cross-site scripting (XSS) vulnerability that allows authenticated users with low privileges 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 scripts that execute in other users' browsers when they view affected pages.
Potential impact on your site
Attackers with basic WordPress accounts can inject code affecting other users, potentially stealing credentials or redirecting visitors.
Conditions required to exploit
Attacker must be logged in with low-level user privileges (e.g., contributor or editor role).
Key dates
External resources
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