spacewalk is vulnerable to cross-site scripting (XSS). The vulnerability exists as remotely authenticated users can inject arbitrary web script through the System Groups field.
lists.opensuse.org/opensuse-security-announce/2015-05/msg00020.html
rhn.redhat.com/errata/RHSA-2015-0033.html
secunia.com/advisories/62183
access.redhat.com/documentation/en-US/Red_Hat_Satellite/5.7/
access.redhat.com/errata/RHSA-2015:0033
access.redhat.com/security/cve/CVE-2014-7812
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1172934
rhn.redhat.com/errata/RHSA-2015-0033.html