CVE-2026-66010Published
DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-66010 · Microsoft / collected KEV context
cve-program · CVE-2026-66010
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-c2j3-45gr-mqc4
- https://www.vulncheck.com/advisories/dompurify-before-hook-bypass-via-custom-element-handling
nvd · CVE-2026-66010
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-c2j3-45gr-mqc4
- https://www.vulncheck.com/advisories/dompurify-before-hook-bypass-via-custom-element-handling
osv · GHSA-c2j3-45gr-mqc4
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-c2j3-45gr-mqc4
- https://nvd.nist.gov/vuln/detail/CVE-2026-66010
- https://github.com/cure53/DOMPurify/pull/1537
- https://github.com/cure53/DOMPurify/commit/a9ca1e537422319a557a9a2aa61f003b23b4a197
- https://github.com/cure53/DOMPurify
- https://github.com/cure53/DOMPurify/releases/tag/3.4.12
- https://www.vulncheck.com/advisories/dompurify-before-hook-bypass-via-custom-element-handling
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.