GHSA-XXH5-92QJ-C4GH

Vulnerability from github – Published: 2022-05-14 01:30 – Updated: 2025-11-25 18:32
VLAI?
Details

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" 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 < 60.3 and Firefox < 63.

Severity ?
7.1 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2018-12397"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-02-28T18:29:00Z",
    "severity": "HIGH"
  },
  "details": "A WebExtension can request access to local files without the warning prompt stating that the extension will \"Access your data for all websites\" 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 \u003c 60.3 and Firefox \u003c 63.",
  "id": "GHSA-xxh5-92qj-c4gh",
  "modified": "2025-11-25T18:32:15Z",
  "published": "2022-05-14T01:30:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-12397"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:3005"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:3006"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1487478"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201811-04"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3801-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4324"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2018-26"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2018-27"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105718"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1041944"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.