Multiple cross-site scripting (XSS) vulnerabilities in OpenStack Dashboard (Horizon) 2015.1.0 allow remote authenticated users to inject arbitrary web script or HTML via the metadata to a (1) Glance image, (2) Nova flavor or (3) Host Aggregate.
https://security.openstack.org/ossa/OSSA-2015-009.html
http://www.securityfocus.com/bid/74666
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.openwall.com/lists/oss-security/2015/05/14/14