Directory traversal vulnerability in backend/template.php in Constructr CMS 3.02.5 and earlier, when register_globals is enabled and magic_quotes_gpc is disabled, allows remote attackers to create or read arbitrary files via directory traversal sequences in the edit_file parameter.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-5860)