Auth bypass in Asaas Gateway For Woocommerce

CVE-2026-87974

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Asaas Gateway For Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-87974?
CVE-2026-87974 is a medium-severity vulnerability in Asaas Gateway For Woocommerce, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-10-14.
How severe is CVE-2026-87974?
Medium severity. CVSS v3 base score is 5.3 out of 10.