CVE-2026-87071 Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts
Unauthenticated attackers can inject arbitrary metadata into posts created via public forms in the Forminator Forms plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87071?
CVE-2026-87071 is a medium-severity missing authorization vulnerability in Unknown Forminator Forms, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Forminator Forms WordPress plugin before 1.57.2.1 does not restrict which metadata keys a form submission may supply, and does not exclude the keys WordPress reserves for its own use, so unauthenticated visitors submitting a public form that collects post content can attach metadata of their choosing to the post their submission creates.
Weakness: CWE-20
Which versions are affected by CVE-2026-87071?
How do I fix CVE-2026-87071?
No fix has been published for CVE-2026-87071 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-2026-87071 being exploited?
There is no known exploitation of CVE-2026-87071 in the wild and no public exploit code.
Sources
Also known as GHSA-p6xg-237f-rf4g.