Critical severity · published Oct 31, 2024
CVE-2024-48910
DOMPurify vulnerable to tampering by prototype polution
9.8
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
DOMPurify · cure53
< 2.4.2 · source: vendor, NVD, CISA
Affected product
DO
DOMPurify
cure53
More from DOMPurify
8.2
CVE-2026-47423
DOMPurify XSS via `selectedcontent` re-clone
7.5
CVE-2025-48050
In DOMPurify through 3.2.5 before 6bc6d60, scripts/server.js does not ensure that a pathname is located under the current working directory
7.2
CVE-2026-65898
DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollution via setConfig
6.9
CVE-2026-41238
DOMPurify: Prototype Pollution to XSS Bypass via CUSTOM_ELEMENT_HANDLING Fallback
6.8
CVE-2026-41239
DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode