GHSA-4943-9VGG-GR5R

Vulnerability from github – Published: 2021-05-10 15:38 – Updated: 2024-08-09 14:41
VLAI?
Summary
Cross-site Scripting in quill
Details

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. No patch exists and no further releases are planned.

This CVE is disputed. Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser. More information can be found here.

Severity ?
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "quill"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.3.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3163"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-07T18:12:32Z",
    "nvd_published_at": "2021-04-12T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "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. No patch exists and no further releases are planned.\n\nThis CVE is disputed. Researchers have claimed that this issue is not within the product itself, but is intended behavior in a web browser. More information can be found [here](https://github.com/quilljs/quill/issues/3364).",
  "id": "GHSA-4943-9vgg-gr5r",
  "modified": "2024-08-09T14:41:50Z",
  "published": "2021-05-10T15:38:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3163"
    },
    {
      "type": "WEB",
      "url": "https://github.com/quilljs/quill/issues/3273"
    },
    {
      "type": "WEB",
      "url": "https://github.com/quilljs/quill/issues/3359"
    },
    {
      "type": "WEB",
      "url": "https://github.com/quilljs/quill/issues/3364"
    },
    {
      "type": "WEB",
      "url": "https://burninatorsec.blogspot.com/2021/04/cve-2021-3163-xss-slab-quill-js.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/quilljs/quill"
    },
    {
      "type": "WEB",
      "url": "https://quilljs.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-site Scripting in quill"
}


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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.
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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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