Ignite Realtime Openfire 3.10.2 allows remote authenticated users to gain administrator access via the isadmin parameter to user-edit-form.jsp.
https://security.gentoo.org/glsa/201612-50
https://igniterealtime.org/issues/browse/OF-941
http://hyp3rlinx.altervista.org/advisories/AS-OPENFIRE-PRIV-ESCALATION.txt