{"id":"CVE-2020-12404","aliases":["EUVD-2020-4716","GHSA-5jfg-97qh-qq62"],"status":"published","title":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code...","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00791,"percentile":0.56553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-79"],"published":"2020-07-09T14:44:16Z","modified":"2026-10-24T10:31:02Z","products":[{"vendor":"mozilla","product":"firefox for ios"},{"vendor":"mozilla","product":"firefox_mobile"}],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2020-19/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1631739","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Permissions Required","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12404"},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-19"},{"url":"https://github.com/advisories/GHSA-5jfg-97qh-qq62"}],"sources":{"cve":[{"id":"CVE-2020-12404","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","status":"published","published":"2020-07-09T14:44:16Z","modified":"2024-08-04T11:56:51.728Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4716","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","status":"published","published":"2020-07-09T14:44:16Z","modified":"2024-08-04T11:56:51Z","updated_at":"2026-11-03T03:07:40.388635Z"}],"ghsa":[{"id":"GHSA-5jfg-97qh-qq62","title":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code...","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","status":"published","published":"2022-05-24T17:22:37Z","modified":"2026-08-19T15:32:56Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-79","CWE-200"],"updated_at":"2026-11-02T15:10:39.892418Z"}],"nvd":[{"id":"CVE-2020-12404","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","status":"published","published":"2020-07-09T15:15:10.88Z","modified":"2026-08-19T15:30:33.807Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:09.126752Z"}],"osv":[{"id":"CVE-2020-12404","description":"For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS \u003c 26.","status":"published","published":"2020-07-09T15:15:10.88Z","modified":"2026-10-24T10:31:02.989056537Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.034736Z"}]}}