The Cardinity Payment Gateway for WooCommerce WordPress plugin before 3.4.2 does not properly verify the authenticity of the payment notifications it receives, as the secret used to sign them is empty by default, allowing unauthenticated attackers to forge an approved-payment notification and mark arbitrary orders as paid, or force them to failed.

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Fixes

Solution

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Workaround

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History

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-345
Metrics ssvc

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


Thu, 15 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Description The Cardinity Payment Gateway for WooCommerce WordPress plugin before 3.4.2 does not properly verify the authenticity of the payment notifications it receives, as the secret used to sign them is empty by default, allowing unauthenticated attackers to forge an approved-payment notification and mark arbitrary orders as paid, or force them to failed.
Title Cardinity Payment Gateway for WooCommerce 3.2.6 - 3.4.1 - Unauthenticated Arbitrary Order Payment Forgery via Empty-Default Project Secret
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-15T11:01:26.948Z

Reserved: 2026-09-30T12:25:54.509Z

Link: CVE-2026-103324

cve-icon Vulnrichment

Updated: 2026-10-15T10:36:45.938Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T07:17:58.230

Modified: 2026-10-15T14:47:05.720

Link: CVE-2026-103324

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses