Live Composer – Free WordPress Website Builder: Cross-site scripting
Live Composer – Free WordPress Website Builder is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Live Composer – Free WordPress Website Builder
- Plugin slug
live-composer-page-builder- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 17, 2025
This CVE was published Dec 17, 2025 and is one of 10 known issues for this plugin.
Update, patch or deactivate.
Update Live Composer – Free WordPress Website Builder to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N