Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via the allowedDomain parameter.
https://yuilibrary.com/support/20131111-vulnerability/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-6582
http://www.securitytracker.com/id/1029528
http://packetstormsecurity.com/files/130527/Cisco-Ironport-AsyncOS-Cross-Site-Scripting.html