Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fastlinemedia | Beaver Builder | < 2.9.3.1 |
Related Weaknesses (CWE)
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/afec9b5b-da37-4e12-935ProductThird Party Advisory
- https://www.wpbeaverbuilder.com/change-logs/Release Notes
FAQ
What is CVE-2025-8427?
CVE-2025-8427 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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 insuffi...
How severe is CVE-2025-8427?
CVE-2025-8427 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-8427?
Check the references section above for vendor advisories and patch information. Affected products include: Fastlinemedia Beaver Builder.