CVE-2026-103517CWE-345

CVE-2026-103517

Medium · published October 8, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
1.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00114 · 1.4th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-10-08T15:16Z
References (1)
EPSS history
Timeline
  • 10 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 08 OCT 10:33Z
    Airwallex Online Payments Gateway < 1.36.0 - Unauthenticated Payment Bypass via Forged Webhook
    cvelistv5
  • 08 OCT 10:33Z
    Airwallex Online Payments Gateway < 1.36.0 - Unauthenticated Payment Bypass via Forged Webhook
    cvelistv5