FKIE_CVE-2025-6425
Vulnerability from fkie_nvd - Published: 2025-06-24 13:15 - Updated: 2026-04-13 15:17
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 was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
References
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"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 was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12."
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"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."
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"id": "CVE-2025-6425",
"lastModified": "2026-04-13T15:17:06.333",
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"attackComplexity": "LOW",
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"baseScore": 4.3,
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"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
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"published": "2025-06-24T13:15:23.403",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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