CVE-2026-1231 Cross-site scripting in Beaver Builder Page Builder – Drag and Drop Website Builder
Authenticated attackers with Custom-level access can inject arbitrary scripts via Global Settings, leading to stored XSS execution on victim 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-2026-1231?
CVE-2026-1231 is a medium-severity cross-site scripting vulnerability in beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder, published on 11 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `js` Global Settings parameter in all versions up to, and including, 2.10.0.5 due to missing capability checks on save_global_settings() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Custom-level access and above who have been granted beaver builder access, 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-2026-1231?
How do I fix CVE-2026-1231?
No fix has been published for CVE-2026-1231 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-2026-1231 being exploited?
There is no known exploitation of CVE-2026-1231 in the wild and no public exploit code.
Sources
Also known as GHSA-jcf4-c65g-q4qm.