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brew-mikutter-cve-2018-8048
Vulnerability from osv_homebrew
Published
2026-08-13 17:14
Modified
2026-08-13 17:14
Summary
Cross-site Scripting in loofah
Details

Loofah allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments.

Users are affected if running Loofah < 2.2.1, but only:

  • when running on MRI or RBX,
  • in combination with libxml2 >= 2.9.2.

JRuby users are not affected.

Severity
6.1 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "nokogiri",
        "resource_purl": "pkg:gem/nokogiri@1.16.3",
        "upstream_fixed_in": "1.8.3"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "mikutter",
        "purl": "pkg:brew/mikutter"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "RubyGems",
        "key": "pkg:gem/nokogiri@1.16.3",
        "name": "nokogiri",
        "resource": "nokogiri",
        "strategy": "registry",
        "subject_version": "1.16.3"
      }
    ]
  },
  "details": "Loofah allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments.\n\nUsers are affected if running Loofah \u003c 2.2.1, but only:\n\n* when running on MRI or RBX,\n* in combination with libxml2 \u003e= 2.9.2.\n\nJRuby users are not affected.",
  "id": "BREW-mikutter-CVE-2018-8048",
  "modified": "2026-08-13T17:14:10Z",
  "published": "2026-08-13T17:14:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-8048"
    },
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah/issues/144"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/nokogiri/pull/1746"
    },
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah/commit/f739cf8eac5851f328b8044281d6653f74eff116"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-x7rv-cr6v-4vm4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/flavorjones/loofah"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2018-8048.yml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2018-8048.yml"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20191122-0003"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4171"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2018/03/19/5"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-site Scripting in loofah",
  "upstream": [
    "GHSA-x7rv-cr6v-4vm4",
    "CVE-2018-8048"
  ]
}



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