Overview
- Description
- It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
- Source
- security@mozilla.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.1
- Impact score
- 5.2
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Severity
- HIGH
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "12C9ABF7-3B44-4C24-B152-488DCF9E2D39",
"versionEndExcluding": "129.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "95A2A856-7C7A-46A3-A2B5-967E63D7083A",
"versionEndExcluding": "115.14.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AE7D7BC3-F9A8-42D3-8C60-464457B7B2CC"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "86167092-2071-4D6B-8CBC-F5C13923D7A8",
"versionEndExcluding": "115.14.0"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65FE0D69-95D3-4440-8DE5-141510B64C20"
}
],
"operator": "OR"
}
]
}
]