Vulnerability · Published Sep 5, 2026 · Assigned by Wordfence
CVE-2026-18843Beaver Builder Plugin (Pro Version) <= 2.11.0.1 - Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter
Medium 6.1
In plain English
A medium-severity cross-site scripting in Beaver Builder Plugin (Starter Version) from The Beaver Builder Team. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Official description
The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The Beaver Builder Team | Beaver Builder Plugin (Starter Version) | 0 – through 2.11.0.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N