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CVE-2026-87071

Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts

MEDIUM
5.3
CVSS Score
Published: September 23, 2026 at 10:11 AM UTC
Updated: September 23, 2026 at 06:30 PM UTC
1 product affected across 1 vendorForminator Forms

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Forminator Forms· Wpmudevwordpress-plugin
60%
v < 1.57.2.1
Affected range stops below 1.57.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: [email protected]
https://wpscan.com/vulnerability/9d831b9d-c05d-4b9a-8b65-7e1e35e68510/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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