Overview
- Description
- If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
- Source
- security@mozilla.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.6
- Impact score
- 6
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Severity
- CRITICAL
Weaknesses
- nvd@nist.gov
- NVD-CWE-noinfo
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"matchCriteriaId": "56478BD7-9D9D-4513-9DDF-47AAC10550BF",
"versionEndExcluding": "97.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "47FA8B4B-E1E9-47E3-89E2-16B66FC1F3F6",
"versionEndExcluding": "91.6"
},
{
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"vulnerable": true,
"matchCriteriaId": "7310C774-9E33-4B34-83CE-CA2FB0032F01",
"versionEndExcluding": "91.6"
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],
"operator": "OR"
}
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}
]