Multiple cross-site scripting (XSS) vulnerabilities in information popups in Foreman before 1.10.0 allow remote attackers to inject arbitrary web script or HTML via (1) global parameters, (2) smart class parameters, or (3) smart variables in the (a) host or (b) hostgroup edit forms.
https://access.redhat.com/errata/RHSA-2016:0174
http://www.openwall.com/lists/oss-security/2015/12/09/6