---
id: CVE-2026-91075
title: >-
  Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment
  Confirmation Bypass
summary: >-
  The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 through 4.7.5
  does not verify the authenticity of incoming payment-confirmation webhook
  requests in some configurations, allowing unauthenticated attackers to forge a
  payment…
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: Eupago Gateway For Woocommerce
affected:
  - eupago_gateway_for_woocommerce >= 4.5.0 <= 4.7.5
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-04T13:58:39.654793Z'
published: '2026-11-03'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T13:58:57.630Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91075'
references:
  - url: 'https://wpscan.com/vulnerability/065557b8-a29f-4c59-9289-2343d90447b1/'
tags:
  - cve.org
epss: 0.00114
epssPercentile: 0.01514
ingestedAt: '2026-11-05T20:33:06.747Z'
---

## Overview

The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 through 4.7.5 does not verify the authenticity of incoming payment-confirmation webhook requests in some configurations, allowing unauthenticated attackers to forge a payment confirmation and mark a pending order as paid without paying for it.

## Affected

- `eupago_gateway_for_woocommerce >= 4.5.0 <= 4.7.5`

## Remediation

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