{"id":"CVE-2013-4200","aliases":["EUVD-2014-0082","GHSA-56p3-rrp4-2j82","PYSEC-2014-64"],"status":"published","title":"Plone Open Redirection vulnerability via next parameter","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02222,"percentile":0.82803,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-264","CWE-601"],"published":"2014-01-21T16:00:00Z","modified":"2026-06-16T23:56:48Z","exploits":[{"source":"exploitdb","id":"EDB-38738","title":"Plone - 'in_portal.py' \u003c 4.1.3 Session Hijacking","type":"webapps","platform":"python","date":"2013-07-31","verified":true,"url":"https://www.exploit-db.com/exploits/38738"}],"fixes":[{"ecosystem":"PyPI","package":"plone","fixed_in":["4.1.1","4.2.6","4.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1"},{"fixed":"4.1.1"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2"},{"fixed":"4.2.6"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3"},{"fixed":"4.3.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1"},{"fixed":"4.1.1"}]}],"versions":["3.2","3.2.1","3.2.2","3.2.3","3.2a1","3.2rc1","3.3","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3b1","3.3rc1","3.3rc2","3.3rc3","3.3rc4","3.3rc5","4.0","4.0.1","4.0.10","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.0.8","4.0.9","4.0a1","4.0a2","4.0a3","4.0a4","4.0a5","4.0b1","4.0b2","4.0b3","4.0b4","4.0b5","4.0rc1","4.1","4.1a1","4.1a2","4.1a3","4.1b1","4.1b2","4.1rc2","4.1rc3"]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2"},{"fixed":"4.2.6"}]}],"versions":["4.2","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5"]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3"},{"fixed":"4.3.2"}]}],"versions":["4.3","4.3.1"]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1"},{"fixed":"4.1.1"},{"introduced":"4.2"},{"fixed":"4.2.6"},{"introduced":"4.3"},{"fixed":"4.3.2"}]}],"versions":["3.2","3.2.1","3.2.2","3.2.3","3.2a1","3.2rc1","3.3","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3b1","3.3rc1","3.3rc2","3.3rc3","3.3rc4","3.3rc5","4.0","4.0.1","4.0.10","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.0.8","4.0.9","4.0a1","4.0a2","4.0a3","4.0a4","4.0a5","4.0b1","4.0b2","4.0b3","4.0b4","4.0b5","4.0rc1","4.1","4.1a1","4.1a2","4.1a3","4.1b1","4.1b2","4.1rc2","4.1rc3","4.2","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.3","4.3.1"]}],"products":[{"vendor":"plone","product":"plone"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2013/08/01/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://plone.org/products/plone/security/advisories/20130618-announcement","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"http://plone.org/products/plone-hotfix/releases/20130618","tags":["x_refsource_CONFIRM","x_transferred","Patch","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4200","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://www.securityfocus.com/archive/1/530787/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4200","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2014-64.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-56p3-rrp4-2j82","tags":["advisory"]},{"url":"https://github.com/plone/Plone","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2013-4200","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2014-01-21T16:00:00Z","modified":"2024-08-06T16:38:01.557Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2014-0082","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2014-01-21T16:00:00Z","modified":"2024-08-06T16:38:01Z","updated_at":"2026-11-03T01:56:32.187151Z"}],"ghsa":[{"id":"GHSA-56p3-rrp4-2j82","title":"Plone Open Redirection vulnerability via next parameter","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2022-05-14T02:54:25Z","modified":"2024-10-15T17:15:35Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:38:10.696798Z"}],"nvd":[{"id":"CVE-2013-4200","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2014-01-21T16:06:19.67Z","modified":"2026-06-16T23:56:48.183Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:48.062712Z"}],"osv":[{"id":"GHSA-56p3-rrp4-2j82","title":"Plone Open Redirection vulnerability via next parameter","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2022-05-14T02:54:25Z","modified":"2024-10-15T17:23:49.713757Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:37.864461Z"},{"id":"PYSEC-2014-64","description":"The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property,  redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the \"next\" parameter to acl_users/credentials_cookie_auth/require_login.","status":"published","published":"2014-01-21T16:06:00Z","modified":"2026-06-10T17:01:30.316640739Z","updated_at":"2026-11-02T15:52:51.645172Z"}]}}