{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.4.4"
              },
              {
                "fixed": "3.4.5"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "5817ad969c15e67dfcd6cb37248d6e9c1553e7c3"
            },
            {
              "fixed": "011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea"
            }
          ],
          "repo": "https://github.com/cure53/dompurify",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-87xg-pxx2-7hvx"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47423.json"
  },
  "details": "DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside \u003cselectedcontent\u003e is returned. This issue is fixed in version 3.4.5.",
  "id": "CVE-2026-47423",
  "modified": "2026-07-17T03:41:43.920736565Z",
  "published": "2026-07-14T19:56:02.057Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cure53/DOMPurify/releases/tag/3.4.5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47423.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47423"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "DOMPurify XSS via `selectedcontent` re-clone"
}