{"cve":"CVE-2012-4195","nvd":{"published":"2012-10-29T18:55:01.460","modified":"2026-06-16T23:44:34.963","status":"Modified","description":"The nsLocation::CheckURL function in Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10, and SeaMonkey before 2.13.2 does not properly determine the calling document and principal in its return value, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site, and makes it easier for remote attackers to execute arbitrary JavaScript code by leveraging certain add-on behavior.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00019.html","http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00025.html","http://rhn.redhat.com/errata/RHSA-2012-1407.html","http://rhn.redhat.com/errata/RHSA-2012-1413.html","http://secunia.com/advisories/51121"],"products":["canonical:ubuntu_linux","mozilla:firefox","mozilla:seamonkey","mozilla:thunderbird","mozilla:thunderbird_esr","opensuse:opensuse","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation","suse:linux_enterprise_desktop","suse:linux_enterprise_server","suse:linux_enterprise_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4195","score":0.01902,"percentile":0.79699,"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."]}