SQL injection vulnerability in category.php in Diesel Joke Site allows remote attackers to execute arbitrary SQL commands via the id parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26727
http://www.securityfocus.com/archive/1/438875/100/100/threaded
http://securityreason.com/securityalert/1270
http://secunia.com/advisories/20263
http://archives.neohapsis.com/archives/bugtraq/2006-05/0497.html