What is CVE-2026-9028?

CVE-2026-9028 is a medium-severity vulnerability in Corvusinfo Corvuspay Woocommerce Payment Gateway, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-07-09.

How severe is CVE-2026-9028?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Corvusinfo Corvuspay Woocommerce Payment Gateway

CVE-2026-9028

The CorvusPay WooCommerce Payment Gateway plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.7.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to cancel any WooCommerce order placed via the CorvusPay payment method by supplying an arbitrary order number to the /wp-json/corvuspay/cancel/ REST endpoint.

Vulnerability class: Broken Access Control

EPSS: 0.003 (21.5th percentile) — read the EPSS interpretation.

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.

Affected products

Corvusinfo Corvuspay Woocommerce Payment Gateway — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-9028?: CVE-2026-9028 is a medium-severity vulnerability in Corvusinfo Corvuspay Woocommerce Payment Gateway, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-07-09.
How severe is CVE-2026-9028?: Medium severity. CVSS v3 base score is 5.3 out of 10.