Skip to content
OpenAdvisories
Medium · 5.3 CVE-2026-89289 EUVD-2026-92967GHSA-r2m9-vxc3-w8ph

Fast Courier <= 5.2.3 - Unauthenticated Order Fulfillment Update via order-status-update REST Endpoint

Published Oct 6, 2026 · Updated Oct 6, 2026 · Assigned by WPScan

Description

The Fast Courier WordPress plugin through 5.2.3 does not restrict an unauthenticated REST route that writes order fulfillment data, allowing unauthenticated attackers to overwrite the courier status and customer-facing tracking details of any WooCommerce order by supplying its id.

Affected products

VendorProductAffectedFixed
— Fast Courier ≤ 5.2.3 —

References