SQL injection vulnerability in the login form in HLstats 1.20 through 1.34 allows remote attackers to execute arbitrary SQL commands via the killLimit parameter.
https://www.exploit-db.com/exploits/3002
http://www.vupen.com/english/advisories/2006/5183
http://www.securityfocus.com/archive/1/455305/100/0/threaded