Incorrect privileges management and insufficient path filtering allow to read arbitrary file on the server via the cpdavd attachment download endpoints.

SSL verification is disabled in the DNS Cluster system. This could allow for a malicious server to man-in-the-middle the request and capture credentials.

WebPros cPanel and WHM Authentication Bypass via Login Flow

cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

The WHM Upload Locale interface in cPanel before 56.0.51, 58.x before 58.0.52, 60.x before 60.0.45, 62.x before 62.0.27, 64.x before 64.0.33, and 66.x before 66.0.2 has XSS via a locale filename, aka SEC-297.

The clientconf.html and detailbw.html pages in x3 in cPanel & WHM 11.34.0 (build 8) have a XSS vulnerability.