CVE-2026-91017

3.7 lowEPSS 0.1%

Low (3.7). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

3.7 low

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-345
Published: 2026-09-17
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/

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