SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN (CVE-2026-84091) | HOL Guard CVE

Medium · CVSS 5.3CVE-2026-84091

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

Answer in brief

CVE-2026-84091 records a Medium severity (CVSS 5.3) vulnerability in SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN. The current sources do not mark it as known exploited. The current feed maps Unknown/SUMIT Payment Gateway for WooCommerce (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 23, 2026Updated Sep 23, 2026Source checked Sep 23, 2026First seen by HOL Sep 23, 2026Material review Sep 23, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/SUMIT Payment Gateway for WooCommerce (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/SUMIT Payment Gateway for WooCommercegeneric	>=0 <4.0.0	4.0.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/SUMIT Payment Gateway for WooCommerce.
Review the reported fix. Update Unknown/SUMIT Payment Gateway for WooCommerce to 4.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 23, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.