FKIE_CVE-2010-4043
Vulnerability from fkie_nvd - Published: 2010-10-21 19:00 - Updated: 2026-06-16 23:24
Severity
Summary
Opera before 10.63 does not prevent interpretation of a cross-origin document as a CSS stylesheet when the document lacks a CSS token sequence, which allows remote attackers to obtain sensitive information via a crafted document.
References
Impacted products
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"source": "cve@mitre.org"
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"criteria": "cpe:2.3:a:opera:opera_browser:10.00:beta1:*:*:*:*:*:*",
"matchCriteriaId": "F12E0FE8-3982-453B-9C01-ABB2DE96866F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.00:beta2:*:*:*:*:*:*",
"matchCriteriaId": "DA76A537-6A1B-41D8-A923-24DC77F92E0E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.00:beta3:*:*:*:*:*:*",
"matchCriteriaId": "2FA36E65-596D-4E84-A15C-1DF5FA3AAC76",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.01:*:*:*:*:*:*:*",
"matchCriteriaId": "320B5684-5006-4BA8-87ED-25C40E90F2DA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.10:*:*:*:*:*:*:*",
"matchCriteriaId": "4FE9E7F2-68B1-448D-86B6-52B345DD3C01",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.10:beta1:*:*:*:*:*:*",
"matchCriteriaId": "5D3C98DA-3261-4BEB-8403-BE2E54A7056C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.50:*:*:*:*:*:*:*",
"matchCriteriaId": "137E9883-BF1D-4B54-A904-AFDE179452A3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.50:beta1:*:*:*:*:*:*",
"matchCriteriaId": "872AEFA4-F7B2-49CF-8279-8BE602D70B95",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.50:beta2:*:*:*:*:*:*",
"matchCriteriaId": "35400232-18B1-4641-8C98-6E8EB3A9C7E7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.51:*:*:*:*:*:*:*",
"matchCriteriaId": "90EFC130-7E02-47AE-AC4E-569B59241FF5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.52:*:*:*:*:*:*:*",
"matchCriteriaId": "3D2745A8-9F99-48AF-A3C9-9659FA542B86",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.53:*:*:*:*:*:*:*",
"matchCriteriaId": "57C77E63-E7CF-4EFF-9177-715C1815A0F3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.53:b:*:*:*:*:*:*",
"matchCriteriaId": "4D74A8DF-DCD2-41AB-BDC1-A314B3B55DAD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.54:*:*:*:*:*:*:*",
"matchCriteriaId": "EECA4D0B-0313-4B34-9A69-EE91ECC37270",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.60:*:*:*:*:*:*:*",
"matchCriteriaId": "46482B92-C1CF-4B50-B419-568262B6F38B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.60:beta1:*:*:*:*:*:*",
"matchCriteriaId": "F4619C12-AA06-4465-B595-47FC844B28A5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:opera:opera_browser:10.61:*:*:*:*:*:*:*",
"matchCriteriaId": "C2046AA8-079B-49F9-A2F6-FCF58B509A70",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Opera before 10.63 does not prevent interpretation of a cross-origin document as a CSS stylesheet when the document lacks a CSS token sequence, which allows remote attackers to obtain sensitive information via a crafted document."
},
{
"lang": "es",
"value": "Opera anterior a v10.63 no previene de una interpretaci\u00f3n de documento cross-origin como las hojas de estilo CSS cuando el documento carece de una secuencia de token CSS, que permite a atacantes remotos obtener informaci\u00f3n confidencial a trav\u00e9s de documentos manipulados."
}
],
"id": "CVE-2010-4043",
"lastModified": "2026-06-16T23:24:02.597",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2010-10-21T19:00:05.097",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/41740"
},
{
"source": "cve@mitre.org",
"url": "http://securitytracker.com/id?1024570"
},
{
"source": "cve@mitre.org",
"url": "http://www.opera.com/docs/changelogs/mac/1063/"
},
{
"source": "cve@mitre.org",
"url": "http://www.opera.com/docs/changelogs/unix/1063/"
},
{
"source": "cve@mitre.org",
"url": "http://www.opera.com/docs/changelogs/windows/1063/"
},
{
"source": "cve@mitre.org",
"url": "http://www.opera.com/support/kb/view/971/"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12208"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/41740"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securitytracker.com/id?1024570"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.opera.com/docs/changelogs/mac/1063/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.opera.com/docs/changelogs/unix/1063/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.opera.com/docs/changelogs/windows/1063/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.opera.com/support/kb/view/971/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12208"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"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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