What is CVE-2024-48910?

CVE-2024-48910 is a critical-severity vulnerability in Cure53 Dompurify, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.1/10. Published 2024-10-31.

How severe is CVE-2024-48910?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2024-48910 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Cure53 Dompurify

CVE-2024-48910

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.

Vulnerability class: Prototype Pollution

EPSS: 0.026 (85.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Cure53 Dompurify — versions < 2.4.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-p3vf-v8qc-cwcr (x_refsource_CONFIRM)
https://github.com/cure53/DOMPurify/commit/d1dd0374caef2b4c56c3bd09fe1988c3479166dc (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-48910?: CVE-2024-48910 is a critical-severity vulnerability in Cure53 Dompurify, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.1/10. Published 2024-10-31.
How severe is CVE-2024-48910?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2024-48910 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.