SQL injection vulnerability in index.php in vscripts (aka Kuba Kunkiewicz) [V]Book (aka VBook) 2.0 allows remote attackers to execute arbitrary SQL commands via the x parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25519
http://www.vupen.com/english/advisories/2006/1174
http://www.securityfocus.com/bid/17320
http://www.securityfocus.com/archive/1/430624/100/0/threaded
http://securityreason.com/securityalert/696