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CVE-2024-47875

DOMPurify nesting-based mXSS

CVSS 10 CRITICALEPSS 1.1%CWE-79
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Affected products
cure53 · DOMPurify
public PoCs found — 2
githubgithub.com/roj1py/CVE-2024-47875-PhpSpreadsheet-XSS-PoC★ 1githubgithub.com/daikinitanda/-CVE-2024-47875-★ 0
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://seclists.org/fulldisclosure/2025/Apr/14https://github.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098https://github.com/cure53/DOMPurify/commit/0ef5e537a514f904b6aa1d7ad9e749e365d7185fhttps://github.com/cure53/DOMPurify/commit/6ea80cd8b47640c20f2f230c7920b1f4ce4fdf7ahttps://github.com/cure53/DOMPurify/security/advisories/GHSA-gx9m-whjm-85jfhttps://lists.debian.org/debian-lts-announce/2025/02/msg00010.html