CVE-2026-75838

EUVD-2026-60602
DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned root appears clean.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.1 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
cure53dompurify
𝑥
< 3.4.13
CNA
Common Weakness Enumeration
References
https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7
https://www.vulncheck.com/advisories/dompurify-before-cross-site-scripting-via-in-place-hook
https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7