3.7
Low
CVE-2026-91017 The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Robokassa payment gateway for Woocommerce 1.8 | earliest → < 1.8.9 | 1.8.9 |