Vulnerability-Lookup

GSD-2022-23518

Vulnerability from gsd - Updated: 2022-12-13 00:00

Details

## Summary rails-html-sanitizer `>= 1.0.3, < 1.4.4` is vulnerable to cross-site scripting via data URIs when used in combination with Loofah `>= 2.1.0`. ## Mitigation Upgrade to rails-html-sanitizer `>= 1.4.4`.

Aliases

CVE-2022-23518

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2022-23518",
    "id": "GSD-2022-23518",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-23518.html"
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  "gsd": {
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      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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          "package_slug": "gem/rails-html-sanitizer",
          "pubdate": "2022-12-14",
          "solution": "Upgrade to version 1.4.4 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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          "date": "2022-12-13",
          "description": "## Summary\n\nrails-html-sanitizer `\u003e= 1.0.3, \u003c 1.4.4` is vulnerable to cross-site scripting via data URIs when used in combination with Loofah `\u003e= 2.1.0`.\n\n\n## Mitigation\n\nUpgrade to rails-html-sanitizer `\u003e= 1.4.4`.\n\n\n## Severity\n\nThe maintainers have evaluated this as [Medium Severity 6.1](https://www.first.org/cvss/calculator/3.0#.\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://github.com/rails/rails-html-sanitizer/issues/135\n- https://hackerone.com/reports/1694173\n\n\n## Credit\n\nThis vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).\n",
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          "package_slug": "gem/rails-html-sanitizer",
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          "uuid": "dcee3852-4127-4c99-898d-9b3eae0d7ddb"
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}

CVE-2022-23518 (GCVE-0-2022-23518)

Vulnerability from cvelistv5 – Published: 2022-12-14 16:22 – Updated: 2025-11-03 21:45

Title

Improper neutralization of data URIs allows XSS in rails-html-sanitizer

Summary

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.

Severity

6.1 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root

References

5 references

URL	Tags
https://github.com/rails/rails-html-sanitizer/sec…	x_refsource_CONFIRM
https://github.com/rails/rails-html-sanitizer/iss…	x_refsource_MISC
https://hackerone.com/reports/1694173	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2023…
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

1 product

Vendor	Product	Version
rails	rails-html-sanitizer	Affected: >= 1.0.3, < 1.4.4

Show details on NVD website

JSON

To clipboard

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      },
      "references": [
        {
          "name": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m"
        },
        {
          "name": "https://github.com/rails/rails-html-sanitizer/issues/135",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rails/rails-html-sanitizer/issues/135"
        },
        {
          "name": "https://hackerone.com/reports/1694173",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/1694173"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"
        }
      ],
      "source": {
        "advisory": "GHSA-mcvf-2q2m-x72m",
        "discovery": "UNKNOWN"
      },
      "title": "Improper neutralization of data URIs allows XSS in rails-html-sanitizer"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-23518",
    "datePublished": "2022-12-14T16:22:34.460Z",
    "dateReserved": "2022-01-19T21:23:53.779Z",
    "dateUpdated": "2025-11-03T21:45:59.030Z",
    "requesterUserId": "c184a3d9-dc98-4c48-a45b-d2d88cf0ac74",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-MCVF-2Q2M-X72M

Vulnerability from github – Published: 2022-12-13 17:45 – Updated: 2025-11-04 16:41

Summary

Improper neutralization of data URIs may allow XSS in rails-html-sanitizer

Details

Summary

rails-html-sanitizer >= 1.0.3, < 1.4.4 is vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0.

Mitigation

Upgrade to rails-html-sanitizer >= 1.4.4.

Severity

The maintainers have evaluated this as Medium Severity 6.1.

References

CWE - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (4.9)
SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg
https://github.com/rails/rails-html-sanitizer/issues/135
https://hackerone.com/reports/1694173

Credit

This vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rails-html-sanitizer"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.3"
            },
            {
              "fixed": "1.4.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-23518"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-13T17:45:39Z",
    "nvd_published_at": "2022-12-14T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nrails-html-sanitizer `\u003e= 1.0.3, \u003c 1.4.4` is vulnerable to cross-site scripting via data URIs when used in combination with Loofah `\u003e= 2.1.0`.\n\n\n## Mitigation\n\nUpgrade to rails-html-sanitizer `\u003e= 1.4.4`.\n\n\n## Severity\n\nThe 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://github.com/rails/rails-html-sanitizer/issues/135\n- https://hackerone.com/reports/1694173\n\n\n## Credit\n\nThis vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).",
  "id": "GHSA-mcvf-2q2m-x72m",
  "modified": "2025-11-04T16:41:46Z",
  "published": "2022-12-13T17:45:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23518"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails-html-sanitizer/issues/135"
    },
    {
      "type": "WEB",
      "url": "https://github.com/w3c/svgwg/issues/266"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/1694173"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rails/rails-html-sanitizer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00045.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 rails-html-sanitizer"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

Action not permitted

GSD-2022-23518

CVE-2022-23518 (GCVE-0-2022-23518)

GHSA-MCVF-2Q2M-X72M

Summary

Mitigation

Severity

References

Credit

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