CVE-2026-84091
Received Received - Intake

Unauthenticated Payment Status Manipulation in SUMIT Payment Gateway for WooCommerce

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: WPScan

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.

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
CVE-2026-84091
EUVD
EUVD-2026-85265

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sumit payment_gateway_for_woocommerce to 4.0.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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Executive Summary

The SUMIT Payment Gateway for WooCommerce plugin before version 4.0.0 has a flaw where it does not verify payment notifications with the payment provider. This allows unauthenticated users to forge payment confirmations and mark pending orders as paid without completing the actual payment.

Detection Guidance

Check if the SUMIT Payment Gateway for WooCommerce plugin version is below 4.0.0. Use WordPress admin panel to inspect installed plugins or run commands like 'wp plugin list' in WP-CLI to verify versions.

Impact Analysis

This vulnerability could lead to financial losses as orders may be marked as paid without actual payment being processed. It also undermines trust in the payment system and could result in disputes or chargebacks.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized transactions to be marked as paid without actual payment verification. This may lead to improper financial record-keeping and potential exposure of sensitive payment data, which could violate data integrity and security requirements under these regulations.

Mitigation Strategies

Update the SUMIT Payment Gateway for WooCommerce plugin to version 4.0.0 or later immediately. Disable the plugin temporarily if an update is not possible until the fix is applied.

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