{"cve":"CVE-2007-3827","nvd":{"published":"2007-07-17T21:30:00.000","modified":"2026-06-16T22:42:48.653","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://securityreason.com/securityalert/2892","http://www.securityfocus.com/archive/1/473702/100/0/threaded","http://securityreason.com/securityalert/2892","http://www.securityfocus.com/archive/1/473702/100/0/threaded"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-3827","score":0.00934,"percentile":0.60767,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}