Multiple unspecified vulnerabilities in WordPress before 2.0.4 have unknown impact and remote attack vectors. NOTE: due to lack of details, it is not clear how these issues are different from CVE-2006-3389 and CVE-2006-3390, although it is likely that 2.0.4 addresses an unspecified issue related to “Anyone can register” functionality (user registration for guests).
bugs.gentoo.org/show_bug.cgi?id=142142
secunia.com/advisories/21309
secunia.com/advisories/21447
security.gentoo.org/glsa/glsa-200608-19.xml
unknowngenius.com/blog/archives/2006/07/26/critical-announcement-to-all-wordpress-users/
unknowngenius.com/blog/archives/2006/07/27/followup-on-wordpress/
wordpress.org/development/2006/07/wordpress-204/
www.osvdb.org/27633
www.securityfocus.com/bid/19247
www.vupen.com/english/advisories/2006/3071