Cross-site scripting (XSS) vulnerability in wp-includes/general-template.php in WordPress before 20070309 allows remote attackers to inject arbitrary web script or HTML via the year parameter in the wp_title function.
http://www.securityfocus.com/bid/22902
http://www.securityfocus.com/archive/1/462374/100/0/threaded
http://www.debian.org/security/2007/dsa-1285
http://trac.wordpress.org/ticket/4093
http://trac.wordpress.org/changeset/5003
http://securityreason.com/securityalert/2526
http://secunia.com/advisories/25108