CVE-2013-2876
browser/extensions/api/tabs/tabs_api.cc in Google Chrome before 28.0.1500.71 does not properly enforce restrictions on the capture of screenshots by extensions, which allows remote attackers to obtain sensitive information about the content of a previous page via vectors involving an interstitial page.
Date published : 2013-07-10
http://googlechromereleases.blogspot.com/2013/07/stable-channel-update.html