DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify was vulnerable to prototype pollution. This vulnerability is fixed in 2.4.2.
https://github.com/cure53/DOMPurify/security/advisories/GHSA-p3vf-v8qc-cwcr
https://github.com/cure53/DOMPurify/commit/d1dd0374caef2b4c56c3bd09fe1988c3479166dc