CorvusPay WooCommerce Payment Gateway <= 2.7.4 - Missing Authorization to Unauthenticated Arbitrary Order Cancellation via 'order_number' Parameter

5.3
Missing Authorization
CVE CVE-2026-9028
CVSS 5.3 (Medium)
Publicly Published July 8, 2026
Last Updated July 9, 2026
Researcher Valatty

Description

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.

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Vulnerability Details for CorvusPay WooCommerce Payment Gateway

Software Type Plugin
Software Slug corvuspay-woocommerce-integration (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.7.5, or a newer patched version
Affected Version
  • <= 2.7.4
Patched Version
  • 2.7.5

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