SQL injection vulnerability in XMLRPC server in WordPress 1.5.1.2 and earlier allows remote attackers to execute arbitrary SQL commands via input that is not filtered in the HTTP_RAW_POST_DATA variable, which stores the data in an XML file.
https://github.com/arkede/cve-2005
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2109
http://www.gulftech.org/?node=research&article_id=00085-06282005