What is GHSA-x84h-g4q5-82g8?

GHSA-x84h-g4q5-82g8 is a security advisory published by GitHub Security Advisories with High severity. Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS...

Which CVE IDs does GHSA-x84h-g4q5-82g8 cover?

GHSA-x84h-g4q5-82g8 covers the following CVE IDs: CVE-2026-67398. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x84h-g4q5-82g8High

Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS...

Vendor

GitHub Security Advisories

Published

September 4, 2026

Last Modified

September 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-67398 →

📋 Description

Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.8, from 9.0.0 before 9.0.8, all other EOL versions from 4.5.0. The vulnerability allows an unauthenticated user to get WHMCS customer's data via 2Checkout payment gateway's endpoint under specific conditions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-67398
https://help.whmcs.com/m/125386/l/2116695-cve-2026-67398-whmcs-security-update-2026-09-03
https://github.com/advisories/GHSA-x84h-g4q5-82g8