Bugzilla 2.x before 2.22.7, 3.0 before 3.0.7, 3.2 before 3.2.1, and 3.3 before 3.3.2 allows remote authenticated users to conduct cross-site scripting (XSS) and related attacks by uploading HTML and JavaScript attachments that are rendered by web browsers.
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00687.html
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00664.html
http://www.securityfocus.com/bid/33580