Unspecified vulnerability in Google Chrome before 11.0.696.71 allows remote attackers to bypass the pop-up blocker via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14474
http://www.securityfocus.com/bid/47966
http://googlechromereleases.blogspot.com/2011/05/stable-channel-update_24.html