Vulnerability · Published Sep 8, 2026 · Assigned by Wordfence
CVE-2026-18021Beaver Builder Page Builder <= 2.10.3.1 - Unauthenticated Arbitrary Shortcode Execution
Medium 6.5
In plain English
A medium-severity code injection in Beaver Builder Page Builder – Drag and Drop Website Builder from beaverbuilder. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Official description
The The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 2.10.3.1. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| beaverbuilder | Beaver Builder Page Builder – Drag and Drop Website Builder | 0 – through 2.10.3.1 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/95f2af83-2667-49e1-8890-99559cd90ec4?source=cve
- https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/trunk/classes/class-fl-builder.php#L2018
- https://plugins.trac.wordpress.org/changeset/3645247/beaver-builder-lite-version/tags/2.10.3.2