CVE-2024-48910

DOMPurify vulnerable to tampering by prototype polution

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.

Affected

cure53 · DOMPurify

CVSS v4.0 GitHub

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GITHUB

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

1.15% chance of exploitation in the next 30 days, 66th percentile

Published

2024-10-31

Updated

2025-11-03

Proof-of-concept exploits (2)

• Alex-Acero-Security/CVE-2024-48910-POC0★ · 2026-05-18
• Mitchellzhou1/CVE-2024-48910-PoC2★ · 2025-12-24

Security advisories

• cure53/DOMPurify/security/advisories/GHSA-p3vf-v8qc-cwcr
• advisories/GHSA-p3vf-v8qc-cwcr
• cure53/DOMPurify/commit/d1dd0374caef2b4c56c3bd09fe1988c3479166dc

References

• CVE Record
• NVD entry

Related

• CVE-2025-20260
• CVE-2025-26625
• CVE-2025-62527