Multiple SQL injection vulnerabilities in Wordpress before 2.2.3 and Wordpress multi-user (MU) before 1.2.5a allow remote attackers to execute arbitrary SQL commands via the post_type parameter to the pingback.extensions.getPingbacks method in the XMLRPC interface, and other unspecified parameters related to "early database escaping" and missing validation of "query string like parameters."
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.