Google Chrome OS before 26.0.1410.57 does not properly enforce origin restrictions for the O3D and Google Talk plug-ins, which allows remote attackers to bypass the domain-whitelist protection mechanism via a crafted web site, a different vulnerability than CVE-2013-2834.
https://code.google.com/p/chromium/issues/detail?id=196456
http://googlechromereleases.blogspot.com/2013/04/stable-channel-update-for-chrome-os.html