What is CVE-2026-103298?

CVE-2026-103298 is a medium-severity vulnerability in Ccavenue Payment Gateway For Woocommerce, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-10-26.

How severe is CVE-2026-103298?

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

Vulnerability in Ccavenue Payment Gateway For Woocommerce

CVE-2026-103298

The CCAvenue Payment Gateway for WooCommerce WordPress plugin through 3.1 does not verify that a payment-confirmation request genuinely originates from the payment provider, and derives its verification key from a value that is empty on a default install, allowing unauthenticated attackers to forge a confirmation and mark any WooCommerce order as paid without payment.

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

Ccavenue Payment Gateway For Woocommerce

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

wpscan.com/vulnerability/7224481a-60f8-42c2-87e9-4615ce666357/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-103298?: CVE-2026-103298 is a medium-severity vulnerability in Ccavenue Payment Gateway For Woocommerce, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-10-26.
How severe is CVE-2026-103298?: Medium severity. CVSS v3 base score is 5.3 out of 10.