Description
The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed.
Published: 2026-10-26
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-285
CWE-330

Mon, 26 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
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'}

ssvc

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


Mon, 26 Oct 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-285
CWE-330

Mon, 26 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Description The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed.
Title OPay Payment Gateway for WooCommerce <= 2.5.5 - Unauthenticated Payment Confirmation Forgery via Empty Default Secret Key
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-26T10:13:35.664Z

Reserved: 2026-09-30T12:02:14.736Z

Link: CVE-2026-103319

cve-icon Vulnrichment

Updated: 2026-10-26T10:05:04.491Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T07:17:07.193

Modified: 2026-10-26T13:50:14.083

Link: CVE-2026-103319

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T15:00:18Z

Weaknesses