CVE-2026-91017 | BDVDB-2026-376229 Detail

Robokassa payment gateway for Woocommerce

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-345 Insufficient Verification of Data Authenticity

References#

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

Exploit#

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

History#

Version 12026-09-17Record published in the CVE List.

Published

Published: 2026-09-17
Last modified: 2026-09-17

Vendor information

Vendor: Not stated
Product: Robokassa payment gateway for Woocommerce

Score

3.7 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.8.9
Fixed
1.8.9

Scoring System

CVSS v4.0

Not available

CVSS v3.1

3.7 Low

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).