CVE-2021-24889 Ninja Forms < 3.6.4 - Admin+ SQL Injection
High-privilege users can perform SQL injection attacks via unescaped field keys in the Ninja Forms WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24889?
CVE-2021-24889 is a high-severity SQL injection vulnerability in Ninjaforms Ninja Forms, published on 29 Nov 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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
Weakness: CWE-89
Which versions are affected by CVE-2021-24889?
It affects 1 product.
Products include Ninjaforms Ninja Forms.
How do I fix CVE-2021-24889?
No fix has been published for CVE-2021-24889 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-24889 being exploited?
There is no known exploitation of CVE-2021-24889 in the wild and no public exploit code.
Other vulnerabilities in Ninjaforms Ninja Forms
- CVE-2025-9083 Ninja-forms < 3.11.1 - Unauthenticated PHP Objection
- CVE-2016-1209 Deserialization in n/a
- CVE-2018-20981 Information disclosure in n/a
- CVE-2024-25572 Cross-site request forgery in Ninja Forms
- CVE-2021-24163 Ninja Forms < 3.4.34 - Authenticated SendWP Plugin Installation and Client Secret Key Disclosure
Sources
Also known as GHSA-8qjr-j6r8-5cw7.