What’s Vulnerable › Vulnerabilities
CVE-2026-87071: Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-09-23
- Weakness: CWE-20
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.
Affected products
- wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder: before 1.57.2.1 — fixed in 1.57.2.1
How to fix
Upgrade to a fixed version: wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder 1.57.2.1. Check the vendor advisory for mitigations.
References
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