CVE-2026-29204

Description

Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.

References

https://github.com/bogdanrotariu/cve-2026-29204-whmcs-clientarea-addonid

https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29551

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS