fkie_cve-2025-6425
Vulnerability from fkie_nvd
Published
2025-06-24 13:15
Modified
2025-11-03 20:19
Severity ?
Summary
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
References
{
"configurations": [
{
"nodes": [
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"cpeMatch": [
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"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
"matchCriteriaId": "CC066347-9B64-4991-AD04-A52785491963",
"versionEndExcluding": "115.25.0",
"vulnerable": true
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"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
"matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E",
"versionEndExcluding": "140.0",
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"matchCriteriaId": "152204C0-14F9-4342-8BDF-EE016A70C203",
"versionEndExcluding": "128.12.0",
"versionStartIncluding": "116.0",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability affects Firefox \u003c 140, Firefox ESR \u003c 115.25, Firefox ESR \u003c 128.12, Thunderbird \u003c 140, and Thunderbird \u003c 128.12."
},
{
"lang": "es",
"value": "Un atacante que enumerara recursos desde la extensi\u00f3n WebCompat podr\u00eda haber obtenido un UUID persistente que identificaba el navegador y persist\u00eda entre contenedores y el modo de navegaci\u00f3n normal/privado, pero no entre perfiles. Esta vulnerabilidad afecta a Firefox \u0026lt; 140, Firefox ESR \u0026lt; 115.25 y Firefox ESR \u0026lt; 128.12."
}
],
"id": "CVE-2025-6425",
"lastModified": "2025-11-03T20:19:18.950",
"metrics": {
"cvssMetricV31": [
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
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"impactScore": 1.4,
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"published": "2025-06-24T13:15:23.403",
"references": [
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"source": "security@mozilla.org",
"tags": [
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1717672"
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"source": "security@mozilla.org",
"tags": [
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/"
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{
"source": "security@mozilla.org",
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-52/"
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{
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00029.html"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html"
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"vulnStatus": "Modified",
"weaknesses": [
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"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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