CVE-2026-84091

SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN

MEDIUM
5.3
CVSS Score
Published: September 23, 2026 at 12:08 PM UTC
Updated: September 24, 2026 at 02:57 PM UTC
1 product affected across 1 vendorSUMIT Payment Gateway for WooCommerce

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.

Affected

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

v < 4.0.0
Affected range stops below 4.0.0, 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)

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

5.3MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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