Directory traversal vulnerability in productionnu2/fileuploader.php in nuBuilder 10.04.20, and possibly other versions before 10.07.12, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the dir parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/60138
http://www.vupen.com/english/advisories/2010/1726
http://www.nubuilder.com/nubuilderwww/change.php?changelog_id=14c3d1ea2a9fab