vars.php in WordPress 2.0.2, possibly when running on Mac OS X, allows remote attackers to spoof their IP address via a PC_REMOTE_ADDR HTTP header, which vars.php uses to redefine $_SERVER[‘REMOTE_ADDR’].
retrogod.altervista.org/wordpress_202_xpl.html
secunia.com/advisories/20271
secunia.com/advisories/20608
www.gentoo.org/security/en/glsa/glsa-200606-08.xml
www.osvdb.org/25935
www.securityfocus.com/archive/1/435039/100/0/threaded
www.vupen.com/english/advisories/2006/1992
exchange.xforce.ibmcloud.com/vulnerabilities/26688