SQL injection vulnerability in the com_salesrep component for Joomla! and Mambo allows remote attackers to execute arbitrary SQL commands via the rid parameter in a showrep action to index.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/40619
http://www.securityfocus.com/bid/27827
http://www.securityfocus.com/archive/1/488267/100/0/threaded