gsd-2021-23974
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.
Aliases
Aliases
CVE-2021-23974


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-23974",
    "description": "The DOMParser API did not properly process \u0027\u003cnoscript\u003e\u0027 elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox \u003c 86.",
    "id": "GSD-2021-23974",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-23974.html",
      "https://ubuntu.com/security/CVE-2021-23974",
      "https://security.archlinux.org/CVE-2021-23974"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-23974"
      ],
      "details": "The DOMParser API did not properly process \u0027\u003cnoscript\u003e\u0027 elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox \u003c 86.",
      "id": "GSD-2021-23974",
      "modified": "2023-12-13T01:23:30.387493Z",
      "schema_version": "1.4.0"
    }
  },
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    },
    "nvd.nist.gov": {
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "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
        }
      },
      "lastModifiedDate": "2022-05-23T19:07Z",
      "publishedDate": "2021-02-26T02:15Z"
    }
  }
}


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