EPSS
Percentile
82.4%
Mozilla Firefox before 48.0 does not properly restrict drag-and-drop (aka dataTransfer) actions for file: URIs, which allows user-assisted remote attackers to access local files via a crafted web site.
bugzilla.redhat.com/show_bug.cgi?id=1361995
www.mozilla.org/security/announce/2016/mfsa2016-81.html