CVE-2025-13407: Unknown Gravity Forms

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The Gravity Forms WordPress plugin before 2.9.23.1 does not properly prevent users from uploading dangerous files through its chunked upload functionality, allowing attackers to upload PHP files to affected sites and achieve Remote Code Execution, granted they can discover or enumerate the upload path.

Affected products

• Unknown Gravity Forms: before 2.9.23.1 (fixed in 2.9.23.1)

Published 2025-12-24. Last modified 2026-06-17.