CVE-2012-4142 Information

Description

Opera before 12.01 on Windows and UNIX and before 11.66 and 12.x before 12.01 on Mac OS X ignores some characters in HTML documents in unspecified circumstances which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

Reference

http://www.opera.com/docs/changelogs/mac/1166/ http://www.opera.com/docs/changelogs/mac/1201/ http://www.opera.com/docs/changelogs/unix/1201/ http://www.opera.com/docs/changelogs/windows/1201/ http://www.opera.com/support/kb/view/1026/