What is CVE-2026-84169?

CVE-2026-84169 is a medium-severity vulnerability in Upi Qr Code Payment Gateway, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-05.

How severe is CVE-2026-84169?

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

Auth bypass in Upi Qr Code Payment Gateway

CVE-2026-84169

The UPI QR Code Payment Gateway WordPress plugin through 1.4.3 does not verify that a payment-confirmation request actually belongs to the order and customer it claims to confirm, allowing unauthenticated attackers to mark an arbitrary order as paid without making any payment.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-05 · last modified 2026-10-05.

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

Upi Qr Code Payment Gateway

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/94a90832-4cf9-4664-9086-5705429f759c/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-84169?: CVE-2026-84169 is a medium-severity vulnerability in Upi Qr Code Payment Gateway, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-05.
How severe is CVE-2026-84169?: Medium severity. CVSS v3 base score is 5.3 out of 10.