CVE-2026-65913
Medium · 6.1CVSS
6.1
EPSS
0.3%
Published
Jul 23, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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