CVE-2026-65913: medium-severity vulnerability in cure53 DOMPurify
DOMPurify before 3.3.2 Prototype Pollution via USE_PROFILES
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
cure53 · DOMPurifyRelated CVEs — cure53 DOMPurify
In the same product, most dangerous first.
CVE-2024-48910CRITICALDOMPurify vulnerable to tampering by prototype polutionEPSS 1.2%CVE-2024-47875CRITICALDOMPurify nesting-based mXSSEPSS 1.1%CVE-2024-45801HIGHTampering by prototype polution in DOMPurifyEPSS 0.9%CVE-2026-65899MEDIUMDOMPurify before 3.4.9 Trusted Types Policy State ContaminationEPSS 0.4%CVE-2026-47423HIGHDOMPurify XSS via `selectedcontent` re-cloneEPSS 0.4%CVE-2026-49978MEDIUMDOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside <template>.contentEPSS 0.4%