CVE-2026-17090 Cross-site scripting in Beaver Builder Page Builder – Drag and Drop Website Builder
Authenticated attackers with author-level access can inject arbitrary scripts via the Button Module, leading to script 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-2026-17090?
CVE-2026-17090 is a medium-severity cross-site scripting vulnerability in beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder, published on 15 Aug 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 Button Module 'button' (Button Code) Setting in all versions up to, and including, 2.10.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Beaver Builder grants editor access to any WordPress role holding the edit_posts capability by default, meaning Author-level users and above can exploit this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2026-17090?
How do I fix CVE-2026-17090?
No fix has been published for CVE-2026-17090 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-2026-17090 being exploited?
There is no known exploitation of CVE-2026-17090 in the wild and no public exploit code.
Sources
Also known as GHSA-rgr5-cvrq-4ccg.