Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DOMPurify< 2.5.0–CNA
DOMPurify< 3.1.3–CNA

Scores by source

GitHub_M (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgithub.com/cure53/DOMPurify/security/advisories/GHSA-gx9m-whjm-85jfrefgithub.com/cure53/DOMPurify/commit/0ef5e537a514f904b6aa1d7ad9e749e365d7185frefgithub.com/cure53/DOMPurify/commit/6ea80cd8b47640c20f2f230c7920b1f4ce4fdf7arefgithub.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098refseclists.org/fulldisclosure/2025/Apr/14reflists.debian.org/debian-lts-announce/2025/02/msg00010.html