---
id: CVE-2026-87974
title: >-
  The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not
  properly authenticate its payment webhook, accepting an empty access token in
  its default configuration and not verifying that the confirmed payment
  corresponds to …
summary: >-
  The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not
  properly authenticate its payment webhook, accepting an empty access token in
  its default configuration and not verifying that the confirmed payment
  corresponds to …
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
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T16:14:02.800'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87974'
references:
  - url: 'https://wpscan.com/vulnerability/3f6338bf-9d0d-4718-aefb-51d13800cec1/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-14T07:21:04.844Z'
product: Asaas Gateway for WooCommerce
affected:
  - asaas_gateway_for_woocommerce < 2.7.8
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-14T13:27:16.841209Z'
epss: 0.00322
epssPercentile: 0.25036
---

## Overview

The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not properly authenticate its payment webhook, accepting an empty access token in its default configuration and not verifying that the confirmed payment corresponds to the order it marks paid, allowing unauthenticated attackers to mark arbitrary orders as paid.

## Remediation

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