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GSD-2021-3163

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser.
Aliases
Aliases
CVE-2021-3163
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{
  "GSD": {
    "alias": "CVE-2021-3163",
    "description": "** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser.",
    "id": "GSD-2021-3163"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3163"
      ],
      "details": "** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser.",
      "id": "GSD-2021-3163",
      "modified": "2023-12-13T01:23:34.889733Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-3163",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
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                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
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                          "version_value": "n/a"
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              },
              "vendor_name": "n/a"
            }
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "lang": "eng",
            "value": "** DISPUTED ** A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser."
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://quilljs.com",
            "refsource": "MISC",
            "url": "https://quilljs.com"
          },
          {
            "name": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html",
            "refsource": "MISC",
            "url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
          },
          {
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            "refsource": "MISC",
            "url": "https://github.com/quilljs/quill/issues/3273"
          },
          {
            "name": "https://github.com/quilljs/quill/issues/3364",
            "refsource": "MISC",
            "url": "https://github.com/quilljs/quill/issues/3364"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=4.8.0",
          "affected_versions": "Version 4.8.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-07-30",
          "description": "A vulnerability in the HTML editor of Slab Quill allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field.",
          "fixed_versions": [],
          "identifier": "CVE-2021-3163",
          "identifiers": [
            "CVE-2021-3163"
          ],
          "not_impacted": "",
          "package_slug": "npm/quill",
          "pubdate": "2021-04-12",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Cross-site Scripting",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3163",
            "https://github.com/quilljs/quill/issues/3273"
          ],
          "uuid": "6b01385d-8495-4807-84d7-3ef83f82ba37"
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:slab:quill:4.8.0:*:*:*:*:node.js:*:*",
                    "matchCriteriaId": "AE851EDE-63BD-4A7A-9A1E-7AE5575DDEB0",
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload (a crafted onloadstart attribute of an IMG element) in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser"
          },
          {
            "lang": "es",
            "value": "** EN DISPUTA ** Una vulnerabilidad en el editor HTML de Slab Quill versi\u00f3n 4.8.0, permite a un atacante ejecutar JavaScript arbitrario almacenando una carga \u00fatil XSS (un atributo onloadstart dise\u00f1ado de un elemento IMG) en un campo de texto. Nota: Los investigadores han afirmado que este problema no est\u00e1 dentro del propio producto, sino que es un comportamiento previsto en un navegador web."
          }
        ],
        "id": "CVE-2021-3163",
        "lastModified": "2024-04-11T01:12:41.577",
        "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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              "cvssData": {
                "attackComplexity": "LOW",
                "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"
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              "impactScore": 2.7,
              "source": "nvd@nist.gov",
              "type": "Primary"
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        "published": "2021-04-12T21:15:14.340",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
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              "Third Party Advisory"
            ],
            "url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
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          },
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          {
            "source": "cve@mitre.org",
            "tags": [
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            "url": "https://quilljs.com"
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        "vulnStatus": "Modified",
        "weaknesses": [
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                "lang": "en",
                "value": "CWE-79"
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            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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.
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  • 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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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.