Vulnerability Description
The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the legacy chunked upload mechanism in all versions up to, and including, 2.9.21.1. This is due to the extension blacklist not including .phar files, which can be uploaded through the chunked upload mechanism. This makes it possible for unauthenticated attackers to upload executable .phar files and achieve remote code execution on the server, granted they can discover or enumerate the upload path. In order for an attacker to achieve RCE, the web server needs to be set up to process .phar file as PHP via file handler mapping or similar.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://docs.gravityforms.com/gravityforms-change-log/
- https://github.com/pronamic/gravityforms/blob/06de1b7e169e4f073e9d0d491e17b89365
- https://github.com/pronamic/gravityforms/blob/06de1b7e169e4f073e9d0d491e17b89365
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b6395439-da45-4b64-8e3
FAQ
What is CVE-2025-12974?
CVE-2025-12974 is a vulnerability with a CVSS score of 8.1 (HIGH). The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the legacy chunked upload mechanism in all versions up to, and including, 2.9.21.1...
How severe is CVE-2025-12974?
CVE-2025-12974 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-12974?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.