{"id":"CVE-2007-3827","aliases":["EUVD-2007-3811","GHSA-2p26-9483-vh42"],"status":"published","title":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which...","description":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00934,"percentile":0.60997,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-07-17T21:00:00Z","modified":"2026-06-16T22:42:48Z","products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"http://www.securityfocus.com/archive/1/473702/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://securityreason.com/securityalert/2892","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3827"},{"url":"https://github.com/advisories/GHSA-2p26-9483-vh42"}],"sources":{"cve":[{"id":"CVE-2007-3827","description":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.","status":"published","published":"2007-07-17T21:00:00Z","modified":"2024-08-07T14:28:52.46Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3811","description":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.","status":"published","published":"2007-07-17T21:00:00Z","modified":"2024-08-07T14:28:52Z","updated_at":"2026-11-03T01:16:24.545796Z"}],"ghsa":[{"id":"GHSA-2p26-9483-vh42","title":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which...","description":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.","status":"published","published":"2022-05-01T18:17:45Z","modified":"2023-01-31T05:04:26Z","updated_at":"2026-11-02T14:48:40.043352Z"}],"nvd":[{"id":"CVE-2007-3827","description":"Mozilla Firefox allows for cookies to be set with a null domain (aka \"domainless cookies\"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.","status":"published","published":"2007-07-17T21:30:00Z","modified":"2026-06-16T22:42:48.653Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}