{"action":"Upgrade django to 1.3.4 or later.","affected":[{"fixed":"1.3.4","introduced":"1.3"},{"fixed":"1.4.2","introduced":"1.4"}],"component":"django","cve_ids":["CVE-2012-4520"],"ecosystem":"PyPI","epss":0.03736,"exploited":false,"fixed_versions":["1.3.4","1.4.2"],"ghsa_id":"GHSA-2655-q453-22f9","id":"tcs_01M5KG5PG97G59P4TVTE4ZKKKC","modified_at":"2026-06-10T17:00:53.800785285Z","published_at":"2012-11-18T23:55:00Z","references":["https://osv.dev/vulnerability/PYSEC-2012-7","https://github.com/django/django/commit/9305c0e12d43c4df999c3301a1f0c742264a657e","http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691145","http://www.osvdb.org/86493","https://www.djangoproject.com/weblog/2012/oct/17/security/","http://securitytracker.com/id?1027708","http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090666.html","http://secunia.com/advisories/51314","http://secunia.com/advisories/51033","https://github.com/django/django/commit/b45c377f8f488955e0c7069cad3f3dd21910b071","http://www.openwall.com/lists/oss-security/2012/10/30/4","https://bugzilla.redhat.com/show_bug.cgi?id=865164","https://github.com/django/django/commit/92d3430f12171f16f566c9050c40feefb830a4a3","http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090904.html","http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090970.html","http://ubuntu.com/usn/usn-1632-1","http://www.debian.org/security/2013/dsa-2634","http://ubuntu.com/usn/usn-1757-1","https://github.com/advisories/GHSA-2655-q453-22f9"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2012-7","url":"https://osv.dev/vulnerability/PYSEC-2012-7"}],"summary":"The django.http.HttpRequest.get_host function in Django 1.3.x before 1.3.4 and 1.4.x before 1.4.2 allows remote attackers to generate and display arbitrary URLs via crafted username and password Host"}