What is CVE-2026-111957?

CVE-2026-111957 is a medium-severity vulnerability in Sumit Payment Gateway For Woocommerce, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-10-21.

How severe is CVE-2026-111957?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Sumit Payment Gateway For Woocommerce

CVE-2026-111957

The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not bind the payment it confirms with the provider to the order being completed, nor check the payment amount against the order total, allowing unauthenticated users to mark a pending order as paid by replaying a payment identifier obtained from any single genuine payment.

Vulnerability class: Broken Access Control

Published 2026-10-21 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Sumit Payment Gateway For Woocommerce

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

wpscan.com/vulnerability/751aa9b8-761e-4982-8708-6a746fddef09/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-111957?: CVE-2026-111957 is a medium-severity vulnerability in Sumit Payment Gateway For Woocommerce, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-10-21.
How severe is CVE-2026-111957?: Medium severity. CVSS v3 base score is 5.3 out of 10.