CVE-2026-103517

MEDIUM CVSS 3.1: 5.3
Updated Oct 08, 2026
WordPress
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 1.36.0
Type CWE-345 (Insufficient Verification of Data), CWE-345 Insufficient Verification of Data Authenticity
Vendor WordPress
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products

unknown:airwallex online payments gateway