An attack can use a blob URL and script to spoof an arbitrary addressbar URL prefaced by "blob:" as the protocol, leading to user confusion and further spoofing attacks. This vulnerability affects Firefox < 52.Referenceshttps://www.mozilla.org/security/advisories/mfsa2017-05/http://www.securitytracker.com/id/1037966https://bugzilla.mozilla.org/show_bug.cgi?id=1321719http://www.securityfocus.com/bid/96692
