CVE-2026-65913

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.1 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N                                    

Vulnerability Description

DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as allowlisted attributes and resulting in DOM-based XSS when sanitized markup is rendered.

Vulnerability Details

Published Date

July 23, 2026

Last Modified

July 23, 2026

CWE ID

CWE-1321

Source

NVD

Vendor

cure53

Product

DOMPurify

External References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-cj63-jhhr-wcxv
https://www.vulncheck.com/advisories/dompurify-before-prototype-pollution-via-use-profiles

CVE-2026-65913

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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