Groupee UBB.threads 6.5.1.1 allows remote attackers to obtain sensitive information via a direct request for cron/php/subscriptions.php, which reveals the path in an error message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29273
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-5123
http://www.securityfocus.com/bid/20266
http://www.securityfocus.com/archive/1/447359/100/0/threaded