2023-11-07 21:03:21 +00:00

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{
"id": "CVE-2020-25812",
"sourceIdentifier": "cve@mitre.org",
"published": "2020-09-27T21:15:12.563",
"lastModified": "2023-11-07T03:20:25.307",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en MediaWiki desde 1.34.x anteriores a 1.34.4. En Special:Contributions, el filtro NS usa mensajes sin escape como claves en la clave de opci\u00f3n para un especificador HTMLForm. Esto es vulnerable a un ataque de tipo XSS leve si uno de esos mensajes es cambiado para incluir HTML sin formato"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"accessVector": "NETWORK",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE",
"baseScore": 4.3
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.6,
"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": [
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"vulnerable": true,
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.34.0",
"versionEndExcluding": "1.34.4",
"matchCriteriaId": "857D0060-2552-4522-B27C-3D3B51258E78"
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"nodes": [
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"references": [
{
"url": "https://gerrit.wikimedia.org/g/mediawiki/core/+/ad4a3ba45fb955aa8c0eb3c83809b16b40a498b9/includes/specials/SpecialContributions.php#592",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/",
"source": "cve@mitre.org"
},
{
"url": "https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html",
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Vendor Advisory"
]
},
{
"url": "https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html",
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Vendor Advisory"
]
}
]
}