CVE-2026-91017

LowCVSS 3.7/10Last modified Sep 18, 2026

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.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: Sep 17, 2026
Last modified: Sep 18, 2026
NVD status: Deferred

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