Multiple cross-site scripting (XSS) vulnerabilities in Drupal 6.x before 6.3 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) free tagging taxonomy terms, which are not properly handled on node preview pages, and (2) unspecified OpenID values.
http://www.openwall.com/lists/oss-security/2008/07/10/3
http://www.securityfocus.com/bid/30168
https://www.redhat.com/archives/fedora-package-announce/2008-August/msg00016.html
https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00527.html
http://secunia.com/advisories/31079
https://bugzilla.redhat.com/show_bug.cgi?id=454849
https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00551.html