CVE-2025-8427: The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the…
CVE-2025-8427 · Severity: medium · CVSS 6.4 · Published 2025-10-23
The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
No. Junglewise Threat Intelligence has no report of CVE-2025-8427 being exploited in the wild.
How severe is CVE-2025-8427?
Medium severity, with a CVSS score of 6.4, published 23 October 2025.
Which products and versions are affected?
Fastlinemedia Beaver Builder. The advisory does not name versions.
Is there a fix for CVE-2025-8427?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-8427?
Check whether you run Fastlinemedia Beaver Builder. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.