PHP remote file inclusion vulnerability in admin/configset.php in Sphider 1.3 and earlier, when register_globals is disabled, allows remote attackers to execute arbitrary PHP code via a URL in the settings_dir parameter.
https://www.exploit-db.com/exploits/1665
https://exchange.xforce.ibmcloud.com/vulnerabilities/25780
http://www.vupen.com/english/advisories/2006/1341