Missing webhook authenticity check in Airwallex Payments Gateway
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.
Summary
The Airwallex Online Payments Gateway WordPress plugin before 1.36.0 does not verify that incoming payment notifications come from the payment provider when no webhook secret is configured. An unauthenticated remote attacker can forge a notification and mark orders as paid without paying. The sources list CWE-345 for this flaw, and the references include an exploit link.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Airwallex Online Payments Gateway | before 1.36.0 | 1.36.0 | Patch available | CNA |
- Airwallex Online Payments Gateway VendorUnknown Affected before 1.36.0 Fixed in 1.36.0 Patch available CNA
Remediation
Update Airwallex Online Payments Gateway to version 1.36.0 or later, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Airwallex Online Payments Gateway (Unknown) Fixed in 1.36.0
Timeline
- 2026-10-08 Threatist record created from CVE-2026-103517
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences