CVE-2021-34647 Ninja Forms <= 3.5.7 Sensitive Information Disclosure
Authenticated attackers can export all form submission data, including PII, due to missing authorization checks in the Ninja Forms WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34647?
CVE-2021-34647 is a medium-severity missing authorization vulnerability in Ninjaforms Ninja Forms, published on 22 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Ninja Forms WordPress plugin is vulnerable to sensitive information disclosure via the bulk_export_submissions function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers to export all Ninja Forms submissions data via the /ninja-forms-submissions/export REST API which can include personally identifiable information.
Which versions are affected by CVE-2021-34647?
It affects 1 product.
Products include Ninjaforms Ninja Forms.
How do I fix CVE-2021-34647?
No fix has been published for CVE-2021-34647 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-2021-34647 being exploited?
There is no known exploitation of CVE-2021-34647 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-jgh8-23p9-p5x7.