CVE-2026-16738: Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook Forgery
Published Aug 22, 2026
·Updated
The Conekta Payment Gateway WordPress plugin before 6.2.2 does not verify the authenticity of incoming payment gateway webhook notifications, nor bind the confirmed payment to the targeted order or verify its amount, allowing unauthenticated attackers to mark arbitrary orders as paid without payment.
Affected Software
1 affected component
WordPress plugin (Conekta Payment Gateway)<6.2.2
Event History
Aug 22, 2026
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
DescriptionWeakness
Data Sourced
via NVD·06:16 AM
Description
Frequently Asked Questions
1
Which installations are affected?
Installations using the Conekta Payment Gateway WordPress plugin before version 6.2.2 are affected.
2
Does exploitation require an account or a real payment?
No. The issue allows unauthenticated attackers to forge payment gateway webhook notifications and mark orders as paid without making a payment.
3
What can an attacker change through this vulnerability?
An attacker can mark arbitrary orders as paid. The vulnerable plugin does not authenticate the webhook, bind the confirmed payment to the targeted order, or verify the payment amount.