CVE-2026-29204

WebPros / WHMCS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
WebPros / WHMCS	affected 7.4.0 through 18.12.2; affected 18.13.0 before 18.13.3; affected 9.0.0 before 9.0.4

CWE

CWE-639

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.