Ninja Forms vulnerabilities
We track 3 vulnerabilities in Ninja Forms products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on September 22, 2026.
Latest Ninja Forms vulnerabilities
- 8.8 High severity
Ninja Forms: Improper Neutralization of Input During Web Page Generation
The Ninja Forms WordPress plugin 3.15.3 does not escape submitted form field values before outputting them on the submission edit screen in the admin area, which could allow unauthenticated users to submit values through a public form that then execute in the
- 7.5 High severity
Ninja Forms: Deserialization of Untrusted Data
The Ninja Forms WordPress plugin 3.15.3 does not prevent user-submitted form field values from being deserialised when an administrator later exports form submissions to CSV, allowing unauthenticated attackers to perform PHP Object Injection; if a suitable POP
- 9.8 Critical severity
Ninja Forms: Deserialization of Untrusted Data
The Ninja Forms WordPress plugin before 3.11.1 unserializes user input via form field, which could allow Unauthenticated users to perform PHP Object Injection when a suitable gadget is present on the blog.