{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.4.13"
              },
              {
                "fixed": "3.4.16"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "3067f774676975de12306effd6db6ad7a9a8c17f"
            },
            {
              "fixed": "b9b9d80f7e401771c2ccaef5f45def7eec8f27d7"
            }
          ],
          "repo": "https://github.com/cure53/dompurify",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-p98j-92pf-mc4p"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109344.json"
  },
  "details": "DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin.",
  "id": "CVE-2026-109344",
  "modified": "2026-10-14T02:30:48.625571765Z",
  "published": "2026-10-12T16:05:29.221Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109344.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109344"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-place-aftersanitize-hooks"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "DOMPurify from 3.4.13 before 3.4.16 DOM XSS via IN_PLACE afterSanitize Hooks"
}