CVE-2026-91017

Robokassa payment gateway for Woocommerce < 1.8.9 - Unauthenticated Payment Bypass via Forged JWT Callback

LOW
3.7
CVSS Score
Published: September 17, 2026 at 07:05 AM UTC
Updated: September 18, 2026 at 07:19 PM UTC
1 product affected across 1 vendorRobokassa payment gateway for Woocommerce

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Severity
LOW3.7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.8.9
Affected range stops below 1.8.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-345

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