SQL injection vulnerability in Sources/Search.php in Simple Machines Forum (SMF) 1.1.3, when MySQL 5 is used, allows remote attackers to execute arbitrary SQL commands via the userspec parameter in a search2 action to index.php.
https://www.exploit-db.com/exploits/4547
https://exchange.xforce.ibmcloud.com/vulnerabilities/37342
http://www.vupen.com/english/advisories/2007/3568
http://www.simplemachines.org/community/index.php?topic=196380.0
http://www.securityfocus.com/archive/1/482569/100/0/threaded