FKIE_CVE-2015-7211
Vulnerability from fkie_nvd - Published: 2015-12-16 11:59 - Updated: 2026-06-17 00:32
Severity
Summary
Mozilla Firefox before 43.0 mishandles the # (number sign) character in a data: URI, which allows remote attackers to spoof web sites via unspecified vectors.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "security@mozilla.org"
}
],
"configurations": [
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"versionEndIncluding": "42.0",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mozilla Firefox before 43.0 mishandles the # (number sign) character in a data: URI, which allows remote attackers to spoof web sites via unspecified vectors."
},
{
"lang": "es",
"value": "Mozilla Firefox en versiones anteriores a 43.0 no maneja correctamente el car\u00e1cter # (signo num\u00e9rico) en un data: URI, lo que permite a atacantes remotos suplantar sitios web a trav\u00e9s de vectores no especificados."
}
],
"id": "CVE-2015-7211",
"lastModified": "2026-06-17T00:32:02.970",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2015-12-16T11:59:09.053",
"references": [
{
"source": "security@mozilla.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html"
},
{
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"tags": [
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"url": "http://www.mozilla.org/security/announce/2015/mfsa2015-141.html"
},
{
"source": "security@mozilla.org",
"url": "http://www.securityfocus.com/bid/79280"
},
{
"source": "security@mozilla.org",
"url": "http://www.securitytracker.com/id/1034426"
},
{
"source": "security@mozilla.org",
"url": "http://www.ubuntu.com/usn/USN-2833-1"
},
{
"source": "security@mozilla.org",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1221444"
},
{
"source": "security@mozilla.org",
"url": "https://security.gentoo.org/glsa/201512-10"
},
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"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html"
},
{
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"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html"
},
{
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"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html"
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{
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"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html"
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"url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html"
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"tags": [
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"url": "http://www.mozilla.org/security/announce/2015/mfsa2015-141.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/79280"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1034426"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-2833-1"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1221444"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201512-10"
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"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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