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CVE-2026-65898 DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollution via setConfig

🗓️ 23 Jul 2026 13:16:17Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

DOMPurify 3.4.11: setConfig with uponSanitizeAttribute mutates allowlist, enabling stored XSS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-65898
23 Jul 202613:16
attackerkb
Chainguard
CVE-2026-65898 vulnerabilities
24 Jul 202620:25
cgr
Circl
CVE-2026-65898
23 Jul 202614:35
circl
CVE
CVE-2026-65898
23 Jul 202613:16
cve
Debian CVE
CVE-2026-65898
23 Jul 202613:16
debiancve
EUVD
EUVD-2026-48286
23 Jul 202613:16
euvd
Github Security Blog
DOMPurify: Permanent `ALLOWED_ATTR` pollution via `setConfig()` bypassing the hook clone-guard (incomplete fix of the 3.4.7 hook-pollution patch)
18 Jun 202614:27
github
NVD
CVE-2026-65898
23 Jul 202614:18
nvd
OSV
CVE-2026-65898 DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollution via setConfig
23 Jul 202613:16
osv
OSV
DEBIAN-CVE-2026-65898
23 Jul 202621:48
osv
Rows per page
[
  {
    "vendor": "cure53",
    "product": "DOMPurify",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/dompurify",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.4.11"
      },
      {
        "version": "3.4.11",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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