Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before 2.6.5 allows remote attackers to inject arbitrary web script or HTML via the Host header (HTTP_HOST variable).
osvdb.org/50214
secunia.com/advisories/32882
secunia.com/advisories/32966
securityreason.com/securityalert/4662
wordpress.org/development/2008/11/wordpress-265/
www.securityfocus.com/archive/1/498652
www.securityfocus.com/bid/32476
exchange.xforce.ibmcloud.com/vulnerabilities/46882
www.redhat.com/archives/fedora-package-announce/2008-December/msg00000.html
www.redhat.com/archives/fedora-package-announce/2008-December/msg00176.html