HIGH 8.2 NVD

CVE-2026-67398

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

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

https://help.whmcs.com/m/125386/l/2116695-cve-2026-67398-whmcs-security-update-2026-09-03

Published: 2026-09-04 · Source: NVD · Feed updated: 2026-09-04

This high severity vulnerability with a CVSS score of 8.2 was published on 2026-09-04 via NVD.

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