GSD-2021-23974

Vulnerability from gsd - Updated: 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"
    },
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      "id": "GSD-2021-23974",
      "modified": "2023-12-13T01:23:30.387493Z",
      "schema_version": "1.4.0"
    }
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            "accessVector": "NETWORK",
            "authentication": "NONE",
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            "baseScore": 4.3,
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            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
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          "obtainAllPrivilege": false,
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          "severity": "MEDIUM",
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            "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"
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        }
      },
      "lastModifiedDate": "2022-05-23T19:07Z",
      "publishedDate": "2021-02-26T02:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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