Vulnerability in Airwallex Online Payments Gateway Plugin for WordPress
CVE-2026-103517

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Airwallex Online Payments Gateway
Vendor
CVE Published:
8 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-103517?

The Airwallex Online Payments Gateway plugin for WordPress lacks proper verification of incoming payment notifications when a webhook secret is not configured. This issue enables attackers to forge notifications, potentially leading to unauthorized marking of orders as paid. Website owners using the affected versions are urged to upgrade to ensure the integrity of transactions and protect against fraudulent activities.

Affected Version(s)

Airwallex Online Payments Gateway 0 < 1.36.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-103517 - Proof of Concept

References

https://wpscan.com/vulnerability/17179c6d-32e0-4a22-88b4-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Pinho
WPScan
.