Unrestricted file upload vulnerability in upload.php in Phlatline's Personal Information Manager (pPIM) 1.0 and earlier allows remote attackers to execute arbitrary code by uploading a .php file, then accessing it via a direct request to the file in the top-level directory.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-4428)