Unspecified vulnerability in Reservation.class.php for phpScheduleIt 1.01 and earlier allows attackers to modify or delete reservations.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18089
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-2460
http://www.securityfocus.com/bid/11690
http://sourceforge.net/tracker/index.php?func=detail&aid=1051841&group_id=95547&atid=611778