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NOTE: the JavaScript executes outside of the context of the HTTP site."}, {"lang": "es", "value": "Mozilla Firefox v3.0.13 y anteriores, v3.5, v3.6 a1 pre y v3.7 a1 pre no bloquea adecuadamente los datos: URIs en las cabeceras Location en las respuestas HTTP, esto permite a atacantes remotos provocar ataques de secuencias de comandos en sitios cruzados (XSS) mediante vectores que est\u00e1n relacionados con (1) la inyecci\u00f3n de una cabecera Location que contenga secuencias JavaScript en una URI data:text/html o (2) la introducci\u00f3n de una URI data:text/html con secuencias JAvaScript que especifiquen el contenido de una cabecera Location. NOTA: El JavaScript se ejecuta fuera del contexto del sitio HTTP."}], "id": "CVE-2009-3012", "lastModified": "2026-06-16T23:10:43.373", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/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": "2009-08-31T16:30:06.920", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://websecurity.com.ua/3323/"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://websecurity.com.ua/3386/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://websecurity.com.ua/3323/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://websecurity.com.ua/3386/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "firefox: xss due to data: URIs in Location header", "id": "520513", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=520513"}, "csaw": false, "cwe": "CWE-79", "details": ["Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre does not properly block data: URIs in Location headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Location header that contains JavaScript sequences in a data:text/html URI or (2) entering a data:text/html URI with JavaScript sequences when specifying the content of a Location header. NOTE: the JavaScript executes outside of the context of the HTTP site."], "name": "CVE-2009-3012", "public_date": "2009-07-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-3012"], "threat_severity": "Moderate"}

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