DOMpurify has a nesting-based mXSS
DOMpurify was vulnerable to nesting-based mXSS fixed by [0ef5e537](https://github.com/cure53/DOMPurify/tree/0ef5e537a514f904b6aa1d7ad9e749e365d7185f) (2.x) and [merge 943](https://github.com/cure53/DOMPurify/pull/943) Backporter should be aware of GHSA-mmhx-hmjr-r674 (CVE-2024-45801) when cherry-picking POC is avaible under [test](https://github.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098)
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-47875US | medium6.1 | Exploit | ||
DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to nesting-based mXSS. This vulnerability is fixed in 2.5.0 and… | ||||
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references
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2025/Apr/14WEB
- https://github.com/cure53/DOMPurifyPACKAGE
- https://github.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098WEB
- https://github.com/cure53/DOMPurify/commit/0ef5e537a514f904b6aa1d7ad9e749e365d7185fWEB
- https://github.com/cure53/DOMPurify/commit/6ea80cd8b47640c20f2f230c7920b1f4ce4fdf7aWEB
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-gx9m-whjm-85jfWEB
- https://lists.debian.org/debian-lts-announce/2025/02/msg00010.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-47875ADVISORY
scry
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