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vuln-cve/data/2025/11xxx/CVE-2025-11712.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-11712",
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"state": "PUBLISHED",
"assignerShortName": "mozilla",
"dateReserved": "2025-10-13T19:50:07.919Z",
"datePublished": "2025-10-14T12:27:35.544Z",
"dateUpdated": "2026-04-13T14:29:40.795Z"
},
"containers": {
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"status": "unaffected",
"version": "140.4",
"lessThanOrEqual": "140.*",
"versionType": "rpm"
},
{
"status": "unaffected",
"version": "144",
"lessThanOrEqual": "*",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"status": "unaffected",
"version": "140.4",
"lessThanOrEqual": "140.*",
"versionType": "rpm"
},
{
"status": "unaffected",
"version": "144",
"lessThanOrEqual": "*",
"versionType": "rpm"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4."
}
]
}
],
"title": "An OBJECT tag type attribute overrode browser behavior on web resources without a content-type",
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1979536"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-81/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-83/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-84/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-85/"
}
],
"credits": [
{
"lang": "en",
"value": "Masato Kinugawa"
}
],
"providerMetadata": {
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla",
"dateUpdated": "2026-04-13T14:29:40.795Z"
}
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-116",
"lang": "en",
"description": "CWE-116 Improper Encoding or Escaping of Output"
}
]
}
],
"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": "2025-10-15T13:21:51.563465Z",
"id": "CVE-2025-11712",
"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": "2025-10-15T13:28:24.592Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T17:31:51.952Z"
}
}
]
}
}