Directory traversal vulnerability in src/func/language.php in webSPELL 4.2.0e and earlier allows remote attackers to include and execute arbitrary local .php files via a .. (dot dot) in a language cookie. NOTE: this can be leveraged for SQL injection by including awards.php.
https://www.exploit-db.com/exploits/8622
https://exchange.xforce.ibmcloud.com/vulnerabilities/50395
http://www.webspell.org/index.php?site=news_comments&newsID=130
http://www.webspell.org/index.php?site=files&file=30