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.

An issue was discovered in cPanel 110 through 132. A directory traversal vulnerability within the Team Manager API allows for overwrite of an arbitrary file. This can allow for privilege escalation to the root user.

The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive information or cause a denial of service.

An issue was discovered in cPanel before 11.109.9999.116. XSS can occur on the cpsrvd error page via an invalid webcall ID, aka SEC-669. The fixed versions are 11.109.9999.116, 11.108.0.13, 11.106.0.18, and 11.102.0.31.

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

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

In cPanel before 98.0.1, /scripts/cpan_config 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 96.0.13, fix_cpanel_perl 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).

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

cPanel before 94.0.3 allows self-XSS via EasyApache 4 Save Profile (SEC-581).

cPanel before 92.0.9 allows a Reseller to bypass the suspension lock (SEC-578).

cPanel before 92.0.9 allows a MySQL user (who has an old-style password hash) to bypass suspension (SEC-579).

In cPanel before 90.0.17, 2FA can be bypassed via a brute-force approach (SEC-575).

cPanel before 90.0.17 allows self-XSS via the WHM Transfer Tool interface (SEC-577).

cPanel before 90.0.17 has multiple instances of URL parameter injection (SEC-567).

cPanel before 88.0.3 mishandles the Exim filter path, leading to remote code execution (SEC-485).

cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).

chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).

In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549).

In cPanel before 88.0.3, an insecure auth policy API key is used by Dovecot on a templated VM (SEC-550).

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

In cPanel before 88.0.3, an insecure SRS secret is used on a templated VM (SEC-552).

In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554).

cPanel before 88.0.3 has weak permissions (world readable) for the proxy subdomains log file (SEC-558).

cPanel before 88.0.3, upon an upgrade, establishes predictable PowerDNS API keys (SEC-561).

cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488).

cPanel before 88.0.13 allows bypass of a protection mechanism that attempted to restrict package modification (SEC-557).

cPanel before 88.0.13 allows self XSS via DNS Zone Manager DNSSEC interfaces (SEC-564).

cPanel before 90.0.10 allows self XSS via the WHM Edit DNS Zone interface (SEC-566).

The email quota cache in cPanel before 90.0.10 allows overwriting of files.

cPanel before 90.0.10 allows self XSS via WHM Manage API Tokens interfaces (SEC-569).

cPanel before 90.0.10 allows self XSS via the Cron Jobs interface (SEC-573).

cPanel before 90.0.10 allows self XSS via the Cron Editor interface (SEC-574).

cPanel before 86.0.14 allows attackers to obtain access to the current working directory via the account backup feature (SEC-540).

cPanel before 86.0.14 allows remote attackers to trigger a bandwidth suspension via mail log strings (SEC-505).

cPanel before 84.0.20 allows a webmail or demo account to delete arbitrary files (SEC-547).

cPanel before 84.0.20 allows a demo account to achieve code execution via PassengerApps APIs (SEC-546).

cPanel before 84.0.20 allows resellers to achieve remote code execution as root via a cpsrvd rsync shell (SEC-545).

cPanel before 84.0.20 allows a demo account to achieve remote code execution via a cpsrvd rsync shell (SEC-544).

cPanel before 84.0.20 allows a demo account to modify files via Branding API calls (SEC-543).

cPanel before 84.0.20 mishandles enforcement of demo checks in the Market UAPI namespace (SEC-542).

cPanel before 84.0.20 allows attackers to bypass intended restrictions on features and demo accounts via WebDisk UAPI calls (SEC-541).

cPanel before 84.0.20, when PowerDNS is used, allows arbitrary code execution as root via dnsadmin. (SEC-537).

cPanel before 84.0.20 allows stored self-XSS via the HTML file editor (SEC-535).

cPanel before 84.0.20 allows self XSS via a temporary character-set specification (SEC-515).

cPanel before 82.0.18 allows WebDAV authentication bypass because the connection-sharing logic is incorrect (SEC-534).

cPanel before 82.0.18 allows stored XSS via WHM Backup Restoration (SEC-533).

cPanel before 82.0.18 allows attackers to conduct arbitrary chown operations as root during log processing (SEC-532).