ghsa-6g99-7xcp-vcw9
Vulnerability from github
Published
2021-12-09 00:00
Modified
2022-03-17 00:06
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Details

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

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{
   affected: [],
   aliases: [
      "CVE-2021-38503",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-863",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-12-08T22:15:00Z",
      severity: "CRITICAL",
   },
   details: "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.",
   id: "GHSA-6g99-7xcp-vcw9",
   modified: "2022-03-17T00:06:36Z",
   published: "2021-12-09T00:00:27Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-38503",
      },
      {
         type: "WEB",
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1729517",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202202-03",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202208-14",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2021/dsa-5026",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2022/dsa-5034",
      },
      {
         type: "WEB",
         url: "https://www.mozilla.org/security/advisories/mfsa2021-48",
      },
      {
         type: "WEB",
         url: "https://www.mozilla.org/security/advisories/mfsa2021-49",
      },
      {
         type: "WEB",
         url: "https://www.mozilla.org/security/advisories/mfsa2021-50",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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