---
id: CVE-2026-84169
title: >-
  The UPI QR Code Payment Gateway WordPress plugin through 1.4.3 does not verify
  that a payment-confirmation request actually belongs to the order and customer
  it claims to confirm, allowing unauthenticated attackers to mark an arbitrary
  o…
summary: >-
  The UPI QR Code Payment Gateway WordPress plugin through 1.4.3 does not verify
  that a payment-confirmation request actually belongs to the order and customer
  it claims to confirm, allowing unauthenticated attackers to mark an arbitrary
  o…
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-639
product: UPI QR Code Payment Gateway
affected:
  - upi_qr_code_payment_gateway <= 1.4.3
published: '2026-10-05'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T15:18:12.170'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84169'
references:
  - url: 'https://wpscan.com/vulnerability/94a90832-4cf9-4664-9086-5705429f759c/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00182
epssPercentile: 0.07676
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-05T10:50:00.659969Z'
ingestedAt: '2026-10-05T06:13:49.197Z'
---

## Overview

The UPI QR Code Payment Gateway WordPress plugin through 1.4.3 does not verify that a payment-confirmation request actually belongs to the order and customer it claims to confirm, allowing unauthenticated attackers to mark an arbitrary order as paid without making any payment.

## Remediation

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