WebCore/bindings/v8/custom/V8DOMWindowCustom.cpp in WebKit before r52401, as used in Google Chrome before 4.0.249.78, allows remote attackers to bypass the Same Origin Policy via vectors involving the window.open method.Referenceshttp://googlechromereleases.blogspot.com/2010/01/stable-channel-update_25.htmlhttp://secunia.com/advisories/43068http://www.vupen.com/english/advisories/2011/0212http://securitytracker.com/id?1023506http://sites.google.com/a/chromium.org/dev/Home/chromium-security/chromium-security-bugshttp://code.google.com/p/chromium/issues/detail?id=30660http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.htmlhttp://flock.com/security/https://bugs.webkit.org/show_bug.cgi?id=32647http://trac.webkit.org/changeset/52401https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14482