SQL injection vulnerability in staff/index.php in Kayako SupportSuite 3.20.02 and earlier allows remote authenticated users to execute arbitrary SQL commands via the customfieldlinkid parameter in a delcflink action.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44384
http://www.securityfocus.com/bid/30642
http://www.gulftech.org/?node=research&article_id=00123-08092008