---
id: CVE-2026-103313
title: >-
  BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via
  Payment Return Handler
summary: >-
  The BitPay Gateway for WooCommerce WordPress plugin through 4.1.3 does not
  bind the payment provider's transaction confirmation to the order it
  completes, nor verify the confirmed amount, allowing an unauthenticated
  attacker who holds a …
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'
cvssSource: cna
cwe:
  - CWE-345
product: BitPay Gateway for WooCommerce
affected:
  - bitpay_gateway_for_woocommerce <= 4.1.3
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-28T17:37:14.136219Z'
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T17:48:00.036Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103313'
references:
  - url: 'https://wpscan.com/vulnerability/feaebdbf-cfa2-49cf-a8be-d2f22b0ad9c9/'
tags:
  - cve.org
ingestedAt: '2026-10-28T11:09:40.351Z'
---

## Overview

The BitPay Gateway for WooCommerce WordPress plugin through 4.1.3 does not bind the payment provider's transaction confirmation to the order it completes, nor verify the confirmed amount, allowing an unauthenticated attacker who holds a single genuine low-value transaction to mark arbitrary higher-value orders as paid.

## Affected

- `bitpay_gateway_for_woocommerce <= 4.1.3`

## Remediation

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