CVE-2025-13537 Cross-site scripting in Live Composer – Free WordPress Website Builder
Authenticated attackers can inject arbitrary web scripts via DOM manipulation in the Live Composer WordPress plugin, affecting users who access injected pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13537?
CVE-2025-13537 is a medium-severity cross-site scripting vulnerability in livecomposer Live Composer – Free WordPress Website Builder, published on 17 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-13537?
How do I fix CVE-2025-13537?
No fix has been published for CVE-2025-13537 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-13537 being exploited?
There is no known exploitation of CVE-2025-13537 in the wild and no public exploit code.
Sources
Also known as GHSA-rwph-88j2-jxq8.