Multiple cross-site scripting (XSS) vulnerabilities in Symantec Web Security (SWS) before 3.0.1.85 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors related to (1) error messages and (2) blocked page messages produced by SWS.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31750
http://www.vupen.com/english/advisories/2007/0330
http://www.securityfocus.com/bid/22184
http://securitytracker.com/id?1017558
http://securityresponse.symantec.com/avcenter/security/Content/2007.01.24c.html