Django Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2012-3442
The (1) django.http.HttpResponseRedirect and (2) django.http.HttpResponsePermanentRedirect classes in Django before 1.3.2 and 1.4.x before 1.4.1 do not validate the scheme of a redirect target which might allow remote attackers to conduct cross-site scripting (XSS) attacks via a data: URL.