fkie_cve-2020-26870
Vulnerability from fkie_nvd
Published
2020-10-07 16:15
Modified
2024-11-21 05:20
Summary
Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.
References
cve@mitre.orghttps://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62dPatch, Third Party Advisory
cve@mitre.orghttps://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/10/msg00029.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870Patch, Vendor Advisory
cve@mitre.orghttps://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/Exploit, Third Party Advisory
cve@mitre.orghttps://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/10/msg00029.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory



{
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    {
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              "matchCriteriaId": "1912C4C9-2CB9-4FE6-99ED-B0D60F553977",
              "versionEndExcluding": "2.0.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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              "vulnerable": true
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            {
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              "matchCriteriaId": "3886D126-9ADC-4AAF-8169-70F3DE3A7773",
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              "matchCriteriaId": "E904F8BF-C415-43BC-89BD-8AD912BEA82A",
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          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements."
    },
    {
      "lang": "es",
      "value": "Cure53 DOMPurify versiones anteriores a 2.0.17, permite una mutaci\u00f3n de XSS.\u0026#xa0;Esto ocurre porque un viaje de ida y vuelta de an\u00e1lisis serializado no necesariamente devuelve el \u00e1rbol DOM original, y un espacio de nombres puede cambiar de HTML a MathML, como es demostrado al anidar los elementos FORM"
    }
  ],
  "id": "CVE-2020-26870",
  "lastModified": "2024-11-21T05:20:23.420",
  "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
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
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          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-10-07T16:15:18.030",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d"
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    {
      "source": "cve@mitre.org",
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    },
    {
      "source": "cve@mitre.org",
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      "tags": [
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    },
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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