What is CVE-2026-103306?

CVE-2026-103306 is a medium-severity vulnerability in Online Payments With Ik Pay Gateway, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-10-26.

How severe is CVE-2026-103306?

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

Auth bypass in Online Payments With Ik Pay Gateway

CVE-2026-103306

The Online Payments with iK Pay Gateway WordPress plugin before 3.0.4 does not properly verify the authenticity of its payment gateway callback on a default installation, allowing unauthenticated attackers to forge a successful payment notification and mark arbitrary orders as paid without any payment being made, and to mark arbitrary unprocessed orders as failed.

Vulnerability class: Broken Authentication

Published 2026-10-26 · last modified 2026-10-26.

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

Online Payments With Ik Pay Gateway

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

wpscan.com/vulnerability/2d888e78-ed1f-4968-9bdc-19e9420f6956/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-103306?: CVE-2026-103306 is a medium-severity vulnerability in Online Payments With Ik Pay Gateway, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-10-26.
How severe is CVE-2026-103306?: Medium severity. CVSS v3 base score is 5.3 out of 10.