What’s Vulnerable › Vulnerabilities
CVE-2026-84091: SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-09-24
- Weakness: CWE-287
Description
The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.
Affected products
- SUMIT Payment Gateway for WooCommerce: before 4.0.0 — fixed in 4.0.0
How to fix
Upgrade to a fixed version: SUMIT Payment Gateway for WooCommerce 4.0.0. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-84091 or the next vulnerability affects your stack