0.0
NA
CVE-2026-87974
Asaas Gateway for WooCommerce < 2.7.8 - Unauthenticated Order Payment Bypass via Webhook
Description

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.

INFO

Published Date :

Oct. 14, 2026, 7:17 a.m.

Last Modified :

Oct. 14, 2026, 7:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-87974 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update Asaas Gateway for WooCommerce to version 2.7.8 or later.
  • Update the Asaas Gateway for WooCommerce plugin.
  • Verify webhook authentication settings.
  • Ensure payment verification is enabled.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-87974.

URL Resource
https://wpscan.com/vulnerability/3f6338bf-9d0d-4718-aefb-51d13800cec1/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-87974 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-87974 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-87974 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-87974 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 14, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/87xxx/CVE-2026-87974.json">CVE-2026-87974</a>
    Added Reference https://wpscan.com/vulnerability/3f6338bf-9d0d-4718-aefb-51d13800cec1/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.