Vulnerability · Published Sep 17, 2026 · Assigned by WPScan

CVE-2026-91017Robokassa payment gateway for Woocommerce < 1.8.9 - Unauthenticated Payment Bypass via Forged JWT Callback

Low 3.7

In plain English

A low-severity insufficient verification of data authenticity in Robokassa payment gateway for Woocommerce from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)3.7Low

Exploit odds (30 days)0.1%top 96.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
Unknown	Robokassa payment gateway for Woocommerce	0 – before 1.8.9

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/ exploit, vdb-entry, technical-description