CVE-2026-66010Published
DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attribut…
Exact source revision recorded 25 Oct 2026 15:18:51 UTC. It does not establish the source's current position. Latest evidence.
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
nvd · CVE-2026-66010
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.