WordPress is vulnerable to cross-site scripting (XSS) attacks. The application uses offsite redirects which allows the attackers to inject and execute arbitrary webscript.
core.trac.wordpress.org/changeset/20486/branches/3.3/wp-comments-post.php
osvdb.org/81464
secunia.com/advisories/48957
secunia.com/advisories/49138
wordpress.org/news/2012/04/wordpress-3-3-2/
www.debian.org/security/2012/dsa-2470
www.securityfocus.com/bid/53192
core.trac.wordpress.org/changeset/20486/branches/3.3/wp-comments-post.php
exchange.xforce.ibmcloud.com/vulnerabilities/75092
exchange.xforce.ibmcloud.com/vulnerabilities/75202
wordpress.org/news/2012/04/wordpress-3-3-2/
www.debian.org/security/2012/dsa-2470