SQL injection vulnerability in the JE Guestbook (com_jeguestbook) component 1.0 for Joomla! allows remote attackers to execute arbitrary SQL commands via the d_itemid parameter in an item_detail action to index.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/62151
http://www.securityfocus.com/archive/1/514064/100/0/threaded
http://securityreason.com/securityalert/8422