Vulnerability in CMS Made Simple 2.2.14, which does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /admin/adduser.php, in multiple parameters. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to an authenticated user and partially take over their browser session.

CMS Made Simple version 2.2.14, does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /admin/moduleinterface.php, in multiple parameters. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to an authenticated user and partially hijack their browser session.

Unrestricted file upload vulnerability in CMS Made Simple, affecting version 2.2.14. This vulnerability allows an authenticated user to bypass the security measures of the upload functionality and potentially create a remote execution of commands via webshell.

Incomplete blacklist vulnerability in javaUpload.php in Postlet in the FileManager module in CMS Made Simple 1.2.4 and earlier allows remote attackers to execute arbitrary code by uploading a file with a name ending in (1) .jsp, (2) .php3, (3) .cgi, (4) .dhtml, (5) .phtml, (6) .php5, or (7) .jar, then accessing it via a direct request to the file in modules/FileManager/postlet/.