CVE-2024-48910

DOMPurify vulnerable to tampering by prototype polution

State: Published
Severity: 9.1 Critical
Published: Oct 31, 2024
Updated: Nov 3, 2025
Reserved: Oct 9, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	GitHub_M

Weaknesses

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Affected Products

Product	Versions
DOMPurifycure53	< 2.4.2Affected

References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-p3vf-v8qc-cwcr
https://github.com/cure53/DOMPurify/commit/d1dd0374caef2b4c56c3bd09fe1988c3479166dc
https://lists.debian.org/debian-lts-announce/2025/02/msg00010.html

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