Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/functions.php in WordPress before 2.1.2-alpha allow remote attackers to inject arbitrary web script or HTML via (1) the Referer HTTP header or (2) the URI, a different vulnerability than CVE-2007-1049.
http://www.vupen.com/english/advisories/2007/0756
http://www.gentoo.org/security/en/glsa/glsa-200703-23.xml
http://trac.wordpress.org/changeset/4952
http://trac.wordpress.org/changeset/4951