gsd-2021-38503
Vulnerability from gsd
Modified
2023-12-13 01:23
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.
Aliases
Aliases
{
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"alias": "CVE-2021-38503",
"description": "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": "GSD-2021-38503",
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"https://www.debian.org/security/2022/dsa-5034",
"https://www.debian.org/security/2021/dsa-5026",
"https://access.redhat.com/errata/RHSA-2021:4607",
"https://access.redhat.com/errata/RHSA-2021:4605",
"https://access.redhat.com/errata/RHSA-2021:4134",
"https://access.redhat.com/errata/RHSA-2021:4133",
"https://access.redhat.com/errata/RHSA-2021:4132",
"https://access.redhat.com/errata/RHSA-2021:4130",
"https://access.redhat.com/errata/RHSA-2021:4123",
"https://access.redhat.com/errata/RHSA-2021:4116",
"https://ubuntu.com/security/CVE-2021-38503",
"https://advisories.mageia.org/CVE-2021-38503.html",
"https://security.archlinux.org/CVE-2021-38503",
"https://linux.oracle.com/cve/CVE-2021-38503.html"
]
},
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
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"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"severity": "HIGH",
"userInteractionRequired": false
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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},
"lastModifiedDate": "2022-12-09T15:21Z",
"publishedDate": "2021-12-08T22:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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.