ghsa-6g99-7xcp-vcw9
Vulnerability from github
Published
2021-12-09 00:00
Modified
2022-03-17 00:06
Severity ?
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.
{ "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 \u003c 94, Thunderbird \u003c 91.3, and Firefox ESR \u003c 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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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.