GHSA-c2j3-45gr-mqc4Published
DOMPurify: `CUSTOM_ELEMENT_HANDLING` bypasses `afterSanitizeElements` for allowed custom elements.
Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-66010 · Microsoft / collected KEV context
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
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