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CVE-2026-65899 DOMPurify before 3.4.9 Trusted Types Policy State Contamination

🗓️ 23 Jul 2026 13:16:18Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

DOMPurify 3.0.0 before 3.4.9 does not reset the retained Trusted Types policy when clearConfig() is called, so a DOMPurify instance reused across trust boundaries stays bound to a previously supplied TRUSTED_TYPES_POLICY. A later caller that reque...

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Affected
Refs
[
  {
    "vendor": "cure53",
    "product": "DOMPurify",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.4.9"
      },
      {
        "version": "3.4.9",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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23 Jul 2026 13:16Current
CVSS 45.1
CVSS 3.16.1
7