PHP remote file inclusion vulnerability in sources/lostpw.php in Aardvark Topsites PHP 4.2.2 and earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via the CONFIG[path] parameter, as demonstrated by including a GIF that contains PHP code.
https://www.exploit-db.com/exploits/1732
https://exchange.xforce.ibmcloud.com/vulnerabilities/26189
http://www.vupen.com/english/advisories/2006/1587