{"id":"CVE-2025-8364","aliases":["EUVD-2025-25231","GHSA-c4g9-q4rc-577f"],"status":"published","title":"Address bar spoofing using an blob URI on Firefox for Android","description":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.\n*Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00246,"percentile":0.16024,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-451"],"published":"2025-08-19T20:52:46Z","modified":"2026-10-05T15:10:00Z","products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1909609","tags":["Issue Tracking","Permissions Required"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1969937","tags":["Issue Tracking","Permissions Required"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-56/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8364"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-56"},{"url":"https://github.com/advisories/GHSA-c4g9-q4rc-577f"}],"sources":{"cve":[{"id":"CVE-2025-8364","title":"Address bar spoofing using an blob URI on Firefox for Android","description":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.\n*Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.","status":"published","published":"2025-08-19T20:52:46.969Z","modified":"2026-04-13T14:31:35.465Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T14:32:38.351095Z"}],"euvd":[{"id":"EUVD-2025-25231","description":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.\n*Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.","status":"published","published":"2025-08-19T20:52:46Z","modified":"2026-04-13T14:31:35Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:27.958964Z"}],"ghsa":[{"id":"GHSA-c4g9-q4rc-577f","title":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a...","description":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.\n*Note: This issue only affected Android operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox \u003c 141.","status":"published","published":"2025-08-19T21:30:37Z","modified":"2025-08-20T18:30:20Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T15:03:21.511205Z"}],"nvd":[{"id":"CVE-2025-8364","description":"A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.\n*Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.","status":"published","published":"2025-08-19T21:15:29.51Z","modified":"2026-10-05T15:10:00.59Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T14:11:24.730342Z"}]}}