{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "26.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f4c4dd3df015e8faf28435fb6508860e92db81dd"
            }
          ],
          "repo": "https://github.com/mozilla-mobile/firefox-ios",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "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.",
  "id": "CVE-2020-12404",
  "modified": "2026-08-21T11:30:11.012542433Z",
  "published": "2020-07-09T15:15:10.880Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-19/"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1631739"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}