CVE-2026-103517
Received Received - Intake

Unauthenticated Payment Forgery in Airwallex WordPress Plugin

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: WPScan

Description
The Airwallex Online Payments Gateway WordPress plugin before 1.36.0 does not verify that an incoming payment notification genuinely comes from the payment provider when no webhook secret has been configured, allowing unauthenticated attackers to forge one and mark orders as paid without paying.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-103517
EUVD
EUVD-2026-94827

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Airwallex Online Payments Gateway 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

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Executive Summary

The Airwallex Online Payments Gateway WordPress plugin before version 1.36.0 has a flaw where it does not verify if incoming payment notifications are genuinely from the payment provider when no webhook secret is set. This allows unauthenticated attackers to forge notifications and mark orders as paid without completing actual payments.

Detection Guidance

Check the installed version of the Airwallex Online Payments Gateway WordPress plugin. If it is below 1.36.0, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in the /wp-content/plugins/ directory.

Impact Analysis

This vulnerability could allow attackers to trick your WordPress site into recording fake payments, leading to financial losses as orders are marked as paid without real transactions. It affects any site using the vulnerable plugin version.

Compliance Impact

This vulnerability could lead to unauthorized transactions being marked as paid without actual payment, potentially violating financial record-keeping requirements in standards like GDPR (data integrity) and HIPAA (audit controls). It undermines trust in payment processing integrity, which may result in non-compliance with financial transaction regulations.

Mitigation Strategies

Update the Airwallex Online Payments Gateway plugin to version 1.36.0 or later immediately. If updating is not possible, disable the plugin until an update is applied. Ensure a webhook secret is configured to prevent unauthenticated payment notifications.

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