CVE-2011-2358
Google Chrome before 13.0.782.107 does not ensure that extension installations are confirmed by a browser dialog, which makes it easier for remote attackers to modify the product’s functionality via a Trojan horse extension.
Date published : 2011-08-02
http://code.google.com/p/chromium/issues/detail?id=75821
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html