Multiple cross-site scripting (XSS) vulnerabilities in WebODF before 0.5.5, as used in ownCloud, allow remote attackers to inject arbitrary web script or HTML via a (1) style or (2) font name or (3) javascript or (4) data URI.
https://owncloud.org/security/advisory/?id=oc-sa-2015-002
https://github.com/kogmbh/WebODF/pull/850/files
https://github.com/kogmbh/WebODF/pull/849
https://github.com/kogmbh/WebODF/blob/master/ChangeLog.md