fkie_cve-2025-6430
Vulnerability from fkie_nvd
Published
2025-06-24 13:15
Modified
2025-11-03 20:19
Severity ?
Summary
When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
"matchCriteriaId": "18420C6D-A5DF-41A4-8A81-F1BBFBA1BE2A",
"versionEndExcluding": "128.12.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
"matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E",
"versionEndExcluding": "140.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `\u0026lt;embed\u0026gt;` or `\u0026lt;object\u0026gt;` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox \u003c 140, Firefox ESR \u003c 128.12, Thunderbird \u003c 140, and Thunderbird \u003c 128.12."
},
{
"lang": "es",
"value": "Cuando se especifica la descarga de un archivo mediante el encabezado `Content-Disposition`, esta directiva se ignora si el archivo se incluye mediante una etiqueta `` u ``, lo que podr\u00eda hacer que un sitio web sea vulnerable a un ataque de cross-site scripting. Esta vulnerabilidad afecta a Firefox \u0026lt; 140 y Firefox ESR \u0026lt; 128.12."
}
],
"id": "CVE-2025-6430",
"lastModified": "2025-11-03T20:19:19.233",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2025-06-24T13:15:23.993",
"references": [
{
"source": "security@mozilla.org",
"tags": [
"Permissions Required"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1971140"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2025-53/"
},
{
"source": "security@mozilla.org",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-54/"
},
{
"source": "security@mozilla.org",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-55/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00029.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html"
}
],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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