SQL injection vulnerability in wp-trackback.php in Wordpress 1.5 and earlier allows remote attackers to execute arbitrary SQL commands via the tb_id parameter.
https://github.com/arkede/cve-2005
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1689
http://security.gentoo.org/glsa/glsa-200506-04.xml