Secunia Security Advisory – Stan Bubrouski has reported some vulnerabilities in WebCal, which can be exploited by malicious people to conduct cross-site scripting and script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42465/sa18017.txt
Source: https://packetstormsecurity.com/files/42465/Secunia-Security-Advisory-18017.html