Directory traversal vulnerability in the Daily Horoscope (com_horoscope) component 1.5.0 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-1499
http://www.vupen.com/english/advisories/2010/0859
http://www.exploit-db.com/exploits/12167
http://secunia.com/advisories/39406
http://packetstormsecurity.org/1004-exploits/joomlahoroscope-lfi.txt