The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
The Hook_Terminate function in chrome_frame/protocol_sink_wrap.cc in the Google Chrome Frame plugin before 26.0.1410.28 for Internet Explorer does not properly handle attach tab requests, which allows user-assisted remote attackers to cause a denial of service (application crash) via an _blank value for the target attribute of an A element.
cpe:2.3:a:google:chrome_frame:*:*:*:*:*:*:*:* versions up to 26.0.1410.27 (inclusive)