---
id: CVE-2026-84043
title: >-
  The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does
  not properly verify the authenticity of payment confirmation requests,
  allowing unauthenticated attackers to mark orders as paid without a valid
  gateway signat…
summary: >-
  The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does
  not properly verify the authenticity of payment confirmation requests,
  allowing unauthenticated attackers to mark orders as paid without a valid
  gateway signat…
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-345
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:09:21.310'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84043'
references:
  - url: 'https://wpscan.com/vulnerability/96599654-1d7f-4ff0-a4b4-26e540375a67/'
    label: contact@wpscan.com
tags:
  - nvd
epss: 0.00163
epssPercentile: 0.04835
ingestedAt: '2026-09-08T20:10:03.164Z'
---

## Overview

The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does not properly verify the authenticity of payment confirmation requests, allowing unauthenticated attackers to mark orders as paid without a valid gateway signature.

## Remediation

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