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.
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History
Thu, 23 Jul 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | DOMPurify before 3.3.2 Prototype Pollution via USE_PROFILES | |
| First Time appeared |
Cure53
Cure53 dompurify |
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| Weaknesses | CWE-1321 | |
| CPEs | cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Cure53
Cure53 dompurify |
|
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-07-23T13:38:31.668Z
Reserved: 2026-07-23T12:51:09.595Z
Link: CVE-2026-65913
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OpenCVE Enrichment
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