What the vulnerability does
01Description
The Live Composer – Free WordPress Website Builder plugin for WordPress is vulnerable to multiple Stored Cross-Site Scripting vulnerabilities via DOM manipulation in all versions up to, and including, 2.0.2 due to insufficient input sanitization and output escaping on user-supplied attributes. 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
02Summary
Live Composer versions up to 2.0.2 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. These scripts execute in the browsers of other site visitors and administrators, potentially compromising accounts or stealing sensitive data. The vulnerability affects the site's scope, meaning impacts extend beyond the plugin itself.
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
Authenticated users can inject scripts that steal admin credentials, deface content, or compromise visitor browsers.
Conditions required to exploit
05Prerequisites
Attacker must have a WordPress user account with at least low-level privileges (e.g., contributor or editor role).
Key dates
06Disclosure timeline
December 17, 2025
CVE published
April 8, 2026
Record updated
