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.

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

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.

HTTP Smuggling in cPanel allows potential leak of credentials.

Argument injection vulnerability in WordPress Toolkit before 6.11.0 as used in cPanel & WHM, allows remote authenticated users to bypass cross-tenant authorization and execute arbitrary wp-toolkit CLI commands as another account.

The WHM Locale Upload feature in cPanel before 98.0.1 allows unserialization attacks (SEC-585).

In cPanel before 96.0.13, fixcpanelperl lacks verification of the integrity of downloads (SEC-587).

In cPanel before 96.0.13, scripts/fix-cpanel-perl does not properly restrict the overwriting of files (SEC-588).

The WHM Locale Upload feature in cPanel before 98.0.1 allows XXE attacks (SEC-585).

In cPanel before 98.0.1, /scripts/cpanconfig performs unsafe operations on files (SEC-589).

In cPanel before 96.0.13, scripts/fix-cpanel-perl mishandles the creation of temporary files (SEC-586).

In cPanel before 96.0.8, weak permissions on web stats can lead to information disclosure (SEC-584).

cgiemail and cgiecho allow remote attackers to inject HTTP headers via a newline character in the redirect location.

Cross-site scripting (XSS) vulnerability in cgiemail and cgiecho allows remote attackers to inject arbitrary web script or HTML via the addendum parameter.

Open redirect vulnerability in cgiemail and cgiecho allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via vectors involving the (1) success or (2) failure parameter.

Format string vulnerability in cgiemail and cgiecho allows remote attackers to execute arbitrary code via format string specifiers in a template file.

Openwebmail in cPanel 5.0, when run using suid Perl, adds the directory in the SCRIPTFILENAME environment variable to Perl's @INC include array, which allows local users to execute arbitrary code by modifying SCRIPTFILENAME to reference a directory containing a malicious openwebmail-shared.pl executable.

guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.

Cross-site scripting (XSS) vulnerability in cPanel 6.4.2 allows remote attackers to insert arbitrary HTML and possibly gain cPanel administrator privileges via script in a URL that is logged but not properly quoted when displayed via the (1) Error Log or (2) Latest Visitors screens.

A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory.

Cross-site scripting (XSS) vulnerability in frontend/x3/files/fileop.html in cPanel 11.0 through 11.24.7 allows remote attackers to inject arbitrary web script or HTML via the fileop parameter.

Multiple cross-site scripting (XSS) vulnerabilities in WebHostManager (WHM) 10.8.0 cPanel 10.9.0 R50 allow remote attackers to inject arbitrary web script or HTML via the (1) theme parameter to scripts/dosetmytheme and the (2) template parameter to scripts2/editzonetemplate.