Describe CVE-2011-4553.
What is CVE-2011-4553?
Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via crafted characters in the domain name of a subdomain..