Ninja Forms – The Contact Form Builder That Grows With You vulnerability

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.12.0. This is due to missing or incorrect nonce validation on the maybe_opt_in() function. This makes it possible for unauthenticated attackers to opt an affected site into usage statistics collection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Published 27 Sep 2025Updated 9 Oct 20263 sources
CVSS 4.3

What happened

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.12.0. This is due to missing or incorrect nonce validation on the maybe_opt_in() function. This makes it possible for unauthenticated attackers to opt an affected site into usage statistics collection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected versions

Ninja Forms – The Contact Form Builder That Grows With You: 0 through 3.12.0 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.