CVE-2026-103313

BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via Payment Return Handler

Published Oct 28, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions bitpay Gateway For Woocommerce
Vendors & Products Wordpress-extensions
Wordpress-extensions bitpay Gateway For Woocommerce
Type Values Removed Values Added
Weaknesses CWE-345
Type Values Removed Values Added
Weaknesses CWE-640
Type Values Removed Values Added
Description 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.
Title BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via Payment Return Handler
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 28, 2026, 5:48 PM
Reserved
Sep 30, 2026, 11:47 AM
Status
Deferred
Published
Oct 28, 2026, 11:17 AM
Modified
Oct 28, 2026, 6:17 PM