Directory traversal vulnerability in the create function in xarMLSXML2PHPBackend.php in Xaraya 1.0 allows remote attackers to create directories and overwrite arbitrary files via ".." sequences in the module parameter to index.php.
http://www.vupen.com/english/advisories/2005/2665
http://www.securityfocus.com/archive/1/418209/100/0/threaded
http://www.securityfocus.com/archive/1/418191/100/0/threaded
http://www.securityfocus.com/archive/1/418087/100/0/threaded