CVE-2026-1239 Missing authorization in Ninja Forms – The Contact Form Builder That Grows With You
Unauthenticated attackers can view sensitive form submissions via a missing authorization check in the Ninja Forms WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1239?
CVE-2026-1239 is a high-severity missing authorization vulnerability in kstover Ninja Forms – The Contact Form Builder That Grows With You, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to unauthorized access of data due to a missing authorization check on the 'ninja-forms-views/token/refresh' REST callback in all versions up to, and including, 3.14.1. This makes it possible for unauthenticated attackers to view form submissions, which could potentially contain sensitive information.
Weakness: CWE-862
Which versions are affected by CVE-2026-1239?
How do I fix CVE-2026-1239?
No fix has been published for CVE-2026-1239 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1239 being exploited?
There is no known exploitation of CVE-2026-1239 in the wild and no public exploit code.
Sources
Also known as GHSA-28rc-qxcc-hgg9.