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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-8048

In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-8048
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 09:57 UTC · Revision 1

Source evidence

CVE-2018-8048

core-osv · Original source

Published 27 Mar 2018, 17:29 UTC

In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.

osv:CVE-2018-8048
Complete source record
{
  "id": "a9f3496367242ffdd329cf8b6ff10038fd0759d19e9a68148fea77755c0118ed",
  "url": "https://osv.dev/vulnerability/CVE-2018-8048",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-8048",
    "summary": "In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.",
    "evidence": "osv:CVE-2018-8048",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-8048",
      "aliases": [
        "CVE-2018-8048",
        "GHSA-x7rv-cr6v-4vm4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/flavorjones/loofah",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7541374548ee9be53c463a3172cf4d28356ebe1c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.2.0",
            "v2.1.1",
            "v2.1.0",
            "v2.1.0.rc2",
            "v2.1.0.rc1",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.2.1",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0",
            "v1.0.0.beta.1",
            "v0.4.7",
            "v0.4.6",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8048.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:30.418835390Z",
      "provider": "osv",
      "references": [
        "https://github.com/flavorjones/loofah/issues/144",
        "https://security.netapp.com/advisory/ntap-20191122-0003/",
        "https://www.debian.org/security/2018/dsa-4171"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-8048",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380494,
  "published_at": "2018-03-27T17:29:00.757+00:00"
}