CVE-2022-0889: Ninjaforms Ninja Forms File Uploads

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

The Ninja Forms - File Uploads Extension WordPress plugin is vulnerable to reflected cross-site scripting due to missing sanitization of the files filename parameter found in the ~/includes/ajax/controllers/uploads.php file which can be used by unauthenticated attackers to add malicious web scripts to vulnerable WordPress sites, in versions up to and including 3.3.12.

Affected products

• Ninjaforms Ninja Forms File Uploads: up to and including 3.3.12

Published 2022-03-23. Last modified 2026-06-17.