Vulnerability · Published Oct 8, 2026 · Assigned by WPScan

CVE-2026-103517Airwallex Online Payments Gateway < 1.36.0 - Unauthenticated Payment Bypass via Forged Webhook

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in Airwallex Online Payments Gateway from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 98.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown Airwallex Online Payments Gateway 0 – before 1.36.0

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References