Medium 5.1Published Aug 18, 2026

CVE-2026-75838DOMPurify before 3.4.13 Cross-Site Scripting via IN_PLACE hook

Updated under an hour ago (2026-10-19 07:10 UTC)

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It affects cure53 DOMPurify. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for cure53 DOMPurify

Exploited in the last 30 days

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.

CVSS: 5.1 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Aug 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

cure53 DOMPurify cure53:dompurify (from the name)	before 3.4.13; 3.4.13 not affected	CNA record

References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7vendor-advisory
https://www.vulncheck.com/advisories/dompurify-before-cross-site-scripting-via-in-place-hookthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.