DOMPurify nesting-based mXSS
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 3.1.3.
02 / AFFECTED SOFTWARE
Affected packages
106 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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 3.1.3.
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)
05 / REFERENCES
Further evidence
- http://seclists.org/fulldisclosure/2025/Apr/14
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47875.json
- https://github.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098
- https://github.com/cure53/DOMPurify/commit/0ef5e537a514f904b6aa1d7ad9e749e365d7185f
- https://github.com/cure53/DOMPurify/commit/6ea80cd8b47640c20f2f230c7920b1f4ce4fdf7a
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-gx9m-whjm-85jf
- https://lists.debian.org/debian-lts-announce/2025/02/msg00010.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-47875
- https://github.com/cure53/DOMPurify