PHP remote file inclusion vulnerability in coin_includes/constants.php in phpCOIN 1.2.3 allows remote attackers to execute arbitrary PHP code via the _CCFG[_PKG_PATH_INCL] parameter.
https://www.exploit-db.com/exploits/2254
https://exchange.xforce.ibmcloud.com/vulnerabilities/28572
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-4412
http://www.vupen.com/english/advisories/2006/3385