SQL injection vulnerability in search.php in 4images 1.7.x allows remote authenticated users to execute arbitrary SQL commands via the search_user parameter.
https://www.exploit-db.com/exploits/2487
https://exchange.xforce.ibmcloud.com/vulnerabilities/29389
http://www.vupen.com/english/advisories/2006/3974
http://www.securityfocus.com/archive/1/448022/100/0/threaded
http://securitytracker.com/id?1017074