CVE-2026-87071

MEDIUM CVSS 3.1: 5.3
Updated Sep 23, 2026
WordPress
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 1.57.2.1
Type CWE-20 (Improper Input Validation), CWE-20 Improper Input Validation
Vendor WordPress
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products

unknown:forminator forms