Mozilla Firefox before 42.0 on Android improperly restricts URL strings in intents, which allows attackers to conduct cross-site scripting (XSS) attacks via vectors involving an intent: URL and fallback navigation, aka "Universal XSS (UXSS)."
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
http://www.mozilla.org/security/announce/2015/mfsa2015-125.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securitytracker.com/id/1034069