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/.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.