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{
"id": "CVE-2020-5810",
"sourceIdentifier": "vulnreport@tenable.com",
"published": "2020-12-30T16:15:12.400",
"lastModified": "2021-01-04T19:44:07.390",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de tipo XSS almacenado en Umbraco CMS versiones anteriores a 8.9.1 o actual.&#xa0;Un usuario autenticado autorizado para cargar multimedia puede cargar un archivo .svg malicioso que act\u00faa como una carga \u00fatil de tipo XSS almacenado."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"accessVector": "NETWORK",
"accessComplexity": "MEDIUM",
"authentication": "SINGLE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE",
"baseScore": 3.5
},
"baseSeverity": "LOW",
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.9.1",
"matchCriteriaId": "C4A8AEE3-81C0-47E0-AC9F-07E1FCC2CCB1"
}
]
}
]
}
],
"references": [
{
"url": "https://www.tenable.com/security/research/tra-2020-59",
"source": "vulnreport@tenable.com",
"tags": [
"Exploit",
"Third Party Advisory"
]
}
]
}