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GHSA-228G-948R-83GX

Vulnerability from github – Published: 2022-12-13 17:39 – Updated: 2025-11-04 16:40
VLAI
Summary
Improper neutralization of data URIs may allow XSS in Loofah
Details

Summary

Loofah >= 2.1.0, < 2.19.1 is vulnerable to cross-site scripting via the image/svg+xml media type in data URIs.

Mitigation

Upgrade to Loofah >= 2.19.1.

Severity

The Loofah maintainers have evaluated this as Medium Severity 6.1.

References

Credit

This vulnerability was responsibly reported by Maciej Piechota (@haqpl).

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "loofah"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0"
            },
            {
              "fixed": "2.19.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-23515"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-13T17:39:36Z",
    "nvd_published_at": "2022-12-14T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nLoofah `\u003e= 2.1.0, \u003c 2.19.1` is vulnerable to cross-site scripting via the `image/svg+xml` media type in data URIs.\n\n\n## Mitigation\n\nUpgrade to Loofah `\u003e= 2.19.1`.\n\n\n## Severity\n\nThe Loofah maintainers have evaluated this as [Medium Severity 6.1](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).\n\n\n## References\n\n- [CWE - CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) (4.9)](https://cwe.mitre.org/data/definitions/79.html)\n- [SVG MIME Type (image/svg+xml) is misleading to developers \u00b7 Issue #266 \u00b7 w3c/svgwg](https://github.com/w3c/svgwg/issues/266)\n- https://hackerone.com/reports/1694173\n- https://github.com/flavorjones/loofah/issues/101\n\n## Credit\n\nThis vulnerability was responsibly reported by Maciej Piechota (@haqpl).",
  "id": "GHSA-228g-948r-83gx",
  "modified": "2025-11-04T16:40:51Z",
  "published": "2022-12-13T17:39:36Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah/security/advisories/GHSA-228g-948r-83gx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23515"
    },
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah/issues/101"
    },
    {
      "type": "WEB",
      "url": "https://github.com/w3c/svgwg/issues/266"
    },
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah/commit/415677f3cf7f9254f42f811e784985cd63c7407f"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/1694173"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/flavorjones/loofah"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23515.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper neutralization of data URIs may allow XSS in Loofah"
}



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