CVE-2024-1038: Beaver Builder – WordPress Page Builder <= 2.7.4.2 - Reflected (DOM-Based) Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-13 · updated 2026-06-17
Weakness: CWE-79

Description

The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to DOM-Based Reflected Cross-Site Scripting via a 'playground.wordpress.net' parameter in all versions up to, and including, 2.7.4.2 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

beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder: before 2.7.4.3 — fixed in 2.7.4.3

How to fix

Upgrade to a fixed version: beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder 2.7.4.3. Check the vendor advisory for mitigations.

References

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