CVE-2010-0653
Opera before 10.10 permits cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.
Date published : 2010-02-18
http://code.google.com/p/chromium/issues/detail?id=9877
http://scarybeastsecurity.blogspot.com/2009/12/generic-cross-browser-cross-domain.html