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vuln-cve/data/2025/6xxx/CVE-2025-6430.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-6430",
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"state": "PUBLISHED",
"assignerShortName": "mozilla",
"dateReserved": "2025-06-20T14:51:35.561Z",
"datePublished": "2025-06-24T12:28:01.020Z",
"dateUpdated": "2026-04-13T14:30:45.145Z"
},
"containers": {
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"status": "unaffected",
"version": "128.12",
"lessThanOrEqual": "128.*",
"versionType": "rpm"
},
{
"status": "unaffected",
"version": "140",
"lessThanOrEqual": "*",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"status": "unaffected",
"version": "128.12",
"lessThanOrEqual": "128.*",
"versionType": "rpm"
},
{
"status": "unaffected",
"version": "140",
"lessThanOrEqual": "*",
"versionType": "rpm"
}
]
}
],
"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 `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "When a file download is specified via the <code>Content-Disposition</code> header, that directive would be ignored if the file was included via a <code>&lt;embed&gt;</code> or <code>&lt;object&gt;</code> tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12."
}
]
}
],
"title": "Content-Disposition header ignored when a file is included in an embed or object tag",
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1971140"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-53/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-54/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-55/"
}
],
"credits": [
{
"lang": "en",
"value": "Daniil Satyaev (Positive Technologies)"
}
],
"providerMetadata": {
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla",
"dateUpdated": "2026-04-13T14:30:45.145Z"
}
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-79",
"lang": "en",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-06-25T14:21:08.967871Z",
"id": "CVE-2025-6430",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-06-25T14:28:07.992Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00029.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T20:07:05.987Z"
}
}
]
}
}