Fortis for WooCommerce <= 1.2.0 - Missing Authorization to Unauthenticated Arbitrary Order Status Update to Paid via 'wc-api' Endpoint

5.3
Missing Authorization
CVE CVE-2026-0679
CVSS 5.3 (Medium)
Publicly Published February 3, 2026
Last Updated February 16, 2026
Researcher Md. Moniruzzaman Prodhan (NomanProdhan) - Knight Squad

Description

The Fortis for WooCommerce plugin for WordPress is vulnerable to authorization bypass due to an inverted nonce check in the 'check_fortis_notify_response' function in all versions up to, and including, 1.2.0. This makes it possible for unauthenticated attackers to update arbitrary WooCommerce order statuses to paid/processing/completed, effectively allowing them to mark orders as paid without payment.

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Vulnerability Details for Fortis for WooCommerce

Software Type Plugin
Software Slug fortis-for-woocommerce (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.3.0, or a newer patched version
Affected Version
  • <= 1.2.0
Patched Version
  • 1.3.0

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