Multiple PHP remote file inclusion vulnerabilities in sPHPell 1.01 allow remote attackers to execute arbitrary PHP code via a URL in the SpellIncPath parameter to (1) spellcheckpageinc.php, (2) spellchecktext.php, (3) spellcheckwindow.php, or (4) spellcheckwindowframeset.php.
https://www.exploit-db.com/exploits/4132
https://exchange.xforce.ibmcloud.com/vulnerabilities/35194
http://www.vupen.com/english/advisories/2007/2408