Multiple cross-site scripting (XSS) vulnerabilities in cPanel 9.1.0-R85 allow remote attackers to inject arbitrary web script or HTML via the (1) email parameter to testfile.html, (2) file parameter to erredit.html, (3) dns parameter to dnslook.html, (4) account parameter to ignorelist.html, (5) account parameter to showlog.html, (6) db parameter to repairdb.html, (7) login parameter to doaddftp.html (8) account parameter to editmsg.htm, or (9) ip parameter to del.html. NOTE: the dnslook.html vector was later reported to exist in cPanel 10.
Multiple cross-site scripting (XSS) vulnerabilities in cPanel 9.1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) email parameter to dodelautores.html or (2) handle parameter to addhandle.html.
The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build 34 and earlier, including 8.x, allows remote attackers to execute arbitrary code via the user parameter to resetpass.
The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to execute arbitrary code via shell metacharacters in the user parameter.
Openwebmail in cPanel 5.0, when run using suid Perl, adds the directory in the SCRIPT_FILENAME environment variable to Perl's @INC include array, which allows local users to execute arbitrary code by modifying SCRIPT_FILENAME to reference a directory containing a malicious openwebmail-shared.pl executable.
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.