What is CVE-2026-103313?

CVE-2026-103313 is a medium-severity vulnerability in Bitpay Gateway For Woocommerce, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-10-28.

How severe is CVE-2026-103313?

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

Vulnerability in Bitpay Gateway For Woocommerce

CVE-2026-103313

The BitPay Gateway for WooCommerce WordPress plugin through 4.1.3 does not bind the payment provider's transaction confirmation to the order it completes, nor verify the confirmed amount, allowing an unauthenticated attacker who holds a single genuine low-value transaction to mark arbitrary higher-value orders as paid.

Published 2026-10-28 · last modified 2026-10-28.

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

Bitpay Gateway For Woocommerce

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

wpscan.com/vulnerability/feaebdbf-cfa2-49cf-a8be-d2f22b0ad9c9/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-103313?: CVE-2026-103313 is a medium-severity vulnerability in Bitpay Gateway For Woocommerce, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-10-28.
How severe is CVE-2026-103313?: Medium severity. CVSS v3 base score is 5.3 out of 10.