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CVE-2026-65913

5.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.1 · cure53NVD modified 2026-10-08 16:17

Affected (CPE criteria) 1

  • cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:*

References 2