cleantalk
Vulnerabilities and Security Researches

Robokassa payment gateway for Woocommerce, CVE-2026-91017

CVE, Research URL

CVE-2026-91017

Published on
Sep 17, 2026
Research Description
The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature.
Affected versions
max 1.8.9.
Status
vulnerable