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.
https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued/
http://www.ubuntu.com/usn/USN-1560-1
http://www.openwall.com/lists/oss-security/2012/07/31/2
http://www.openwall.com/lists/oss-security/2012/07/31/1
http://www.mandriva.com/security/advisories?name=MDVSA-2012:143
Published: 2012-07-31
Updated: 2025-04-11
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Critical
EPSS: 0.00442