---
id: CVE-2026-84091
title: >-
  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 ma…
summary: >-
  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 ma…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-287
product: SUMIT Payment Gateway for WooCommerce
affected:
  - sumit_payment_gateway_for_woocommerce < 4.0.0
published: '2026-09-23'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T14:42:02.707'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84091'
references:
  - url: 'https://wpscan.com/vulnerability/10c7a9bd-eac0-49eb-9238-d7c477312166/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-23T12:35:44.939195Z'
ingestedAt: '2026-09-23T12:24:04.188Z'
epss: 0.00182
epssPercentile: 0.06888
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.