CVE-2026-103517: Unknown Airwallex Online Payments Gateway

Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days.

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

• Unknown Airwallex Online Payments Gateway: before 1.36.0 (fixed in 1.36.0)

Published 2026-10-08. Last modified 2026-10-08.