[ CVE-2026-103382 · Published 28 Oct 2026 ]

Vulnerability in Unknown Casso Flow

CVSS 5.3 EPSS <1%No fix listed yet

[ Description ]Official description

The Casso Flow WordPress plugin before 4.2.0 does not properly authenticate incoming bank-transfer payment notifications, as the token used to verify them is empty on a default installation, allowing unauthenticated attackers to forge a notification and mark any pending WooCommerce order as paid, regardless of its payment method.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.