Is CVE-2026-103517 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103517?

CVE-2026-103517 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-103517

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.