CVE-2026-16738

Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook Forgery

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

Conekta Payment Gateway

CVSS v3.1 CNA

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.33% chance of exploitation in the next 30 days, 25th percentile

Published

2026-08-22

Updated

2026-08-23

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/89a2917e-032c-4f0f-be44-1a50b9d6fddf/

References

• CVE Record
• NVD entry