Direct static code injection vulnerability in cfgphpquiz/install.php in Walter Beschmout PhpQuiz 1.2 and earlier allows remote attackers to inject arbitrary PHP code in config.inc.php via modified configuration settings.
https://www.exploit-db.com/exploits/2376
https://exchange.xforce.ibmcloud.com/vulnerabilities/28997
http://www.vupen.com/english/advisories/2006/3693
http://www.securityfocus.com/bid/20065
http://www.securityfocus.com/archive/1/446315/100/0/threaded