{
  "cveId": "CVE-2018-12397",
  "url": "https://patchblox.com/security/cve/CVE-2018-12397",
  "summary": "CVE-2018-12397 is fixed in 4 products on 1 platform, first by firefox 63.0\u002Bbuild2-0ubuntu0.18.04.2, released October 23, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "firefox: A WebExtension can request access to local files without the warning prompt stating that the extension will \u0022Access y...",
  "description": "A WebExtension can request access to local files without the warning prompt stating that the extension will \u0022Access your data for all websites\u0022 being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR \u0026lt; 60.3 and Firefox \u0026lt; 63.",
  "published": "2018-10-23T17:00:00Z",
  "severity": "Medium",
  "epss": 0.00371,
  "epssPercentile": 0.31242,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox 63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-63.0-build2-0ubuntu0.18.04.2",
      "released": "2018-10-23T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox-globalmenu 63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-globalmenu-63.0-build2-0ubuntu0.18.04.2",
      "released": "2018-10-23T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox-mozsymbols 63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-63.0-build2-0ubuntu0.18.04.2",
      "released": "2018-10-23T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox-testsuite 63.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-63.0-build2-0ubuntu0.18.04.2",
      "released": "2018-10-23T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}