Mcrefer : Security Vulnerabilities, CVEs,

Static code injection vulnerability in install.php in mcRefer allows remote attackers to execute arbitrary PHP code via the bgcolor parameter, which is inserted into mcrconf.inc.php.

SQL injection vulnerability in install.php in mcRefer allows remote attackers to execute arbitrary SQL commands via unspecified vectors. NOTE: this issue has been disputed by a third party, stating that the file does not use a SQL database