Cross-site scripting (XSS) vulnerability in WebKit, as used in Apple iOS before 5.1, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-0587, CVE-2012-0588, and CVE-2012-0589.
http://www.securitytracker.com/id?1026774
http://secunia.com/advisories/48377
http://secunia.com/advisories/48288
http://lists.apple.com/archives/security-announce/2012/Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2012/Mar/msg00001.html