Multiple cross-site scripting (XSS) vulnerabilities in Kayako SupportSuite 3.20.02 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the sessionid parameter in a livesupport startclientchat action to visitor/index.php; (2) the filter parameter in a news view action to index.php; or the Full Name field in a (3) account creation, (4) ticket opening, or (5) chat request operation.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44383
https://exchange.xforce.ibmcloud.com/vulnerabilities/44382
http://www.securityfocus.com/bid/30642
http://www.gulftech.org/?node=research&article_id=00123-08092008