Directory traversal vulnerability in auxpage.php for phpCOIN 1.2.1b and earlier allows remote attackers to read arbitrary files via the page parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-0934
http://www.securityfocus.com/bid/12917
http://www.gulftech.org/?node=research&article_id=00065-03292005