Cross-site scripting (XSS) vulnerability in Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey before 2.20 allows user-assisted remote attackers to inject arbitrary web script or HTML via an e-mail message containing a data: URL in a (1) OBJECT or (2) EMBED element, a related issue to CVE-2013-6674.
https://bugzilla.mozilla.org/show_bug.cgi?id=875818
http://www.vulnerability-lab.com/get_content.php?id=953
http://www.securitytracker.com/id/1029774
http://www.securitytracker.com/id/1029773
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2014/mfsa2014-14.html