CVE-2021-24889: Ninja Forms < 3.6.4 - Admin+ SQL Injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-29 · updated 2026-06-17
Weakness: CWE-89

Description

The Ninja Forms Contact Form WordPress plugin before 3.6.4 does not escape keys of the fields POST parameter, which could allow high privilege users to perform SQL injections attacks

Affected products

kstover Ninja Forms – The Contact Form Builder That Grows With You: before 3.6.4 — fixed in 3.6.4

How to fix

Upgrade to a fixed version: kstover Ninja Forms – The Contact Form Builder That Grows With You 3.6.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/55008a42-eb56-436c-bce0-10ee616d0495
https://wpscan.com/vulnerability/55008a42-eb56-436c-bce0-10ee616d0495

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