CVE-2026-91017
Low
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.
SeverityLow
CVSS3.7
Exploit probability—
ProductRobokassa payment gateway for Woocommerce
PublishedSep 17, 2026
First seenSep 17, 2026
Weakness typeCWE-345CWE-345
How to fix
Update
- Robokassa payment gateway for Woocommerce1.8.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Robokassa payment gateway for Woocommerce | v < 1.8.9 | 1.8.9 |
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