Multiple SQL injection vulnerabilities in index.php in Joomla! 1.5 RC3 allow remote attackers to execute arbitrary SQL commands via (1) the view parameter to the com_content component, (2) the task parameter to the com_search component, or (3) the option parameter in a search action to the com_search component.
https://exchange.xforce.ibmcloud.com/vulnerabilities/38867
http://www.securityfocus.com/archive/1/484603/100/0/threaded