CVE-2022-2903: NinjaForms < 3.6.13 - Admin+ PHP Objection Injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-09-26 · updated 2026-06-17
Weakness: CWE-502

Description

The Ninja Forms Contact Form WordPress plugin before 3.6.13 unserialises the content of an imported file, which could lead to PHP object injections issues when an admin import (intentionally or not) a malicious file and a suitable gadget chain is present on the blog.

Affected products

kstover Ninja Forms – The Contact Form Builder That Grows With You: before 3.6.13 — fixed in 3.6.13

How to fix

Upgrade to a fixed version: kstover Ninja Forms – The Contact Form Builder That Grows With You 3.6.13. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/255b98ba-5da9-4424-a7e9-c438d8905864
https://wpscan.com/vulnerability/255b98ba-5da9-4424-a7e9-c438d8905864

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