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Vulnerability Database · npm · dompurify · Version

dompurify 3.4.5

3.4.5 is affected by 17 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to.

Critical 1 High 1 Medium 9 Low 6 Unrated 0

All dompurify versions & vulnerabilities → Source repository Search the database for this package →
Released 18 May 2026 Licence Apache-2.0 OR MPL-2.0 Also known from other sources 11 Newer releases 154 Database updated 23/Oct/2026

Release and licence data published by the npm registry. Licence information is not legal advice.

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01 Vulnerabilities affecting this version

dompurify 3.4.5 vulnerabilities

17 vulnerabilities cover dompurify 3.4.5. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
GHSA-cg2g-xh64-v4q7: DOMPurify template-expression bypass in attached shadow roots 9.2 critical 3.4.17 22 Oct 2026
GHSA-mrv2-3pqr-j5jr: DOMPurify IN_PLACE hooks can leave detached event handlers active 7.6 high 3.4.17 22 Oct 2026
DOMPurify Vulnerability: CUSTOM_ELEMENT_HANDLING Bypass in Version 3.4.11 6.1 medium No fix published 24 Jul 2026
Persistent Pollution Vulnerability in DOMPurify: Hook Mutation of Allowed Tags and Attributes 6.1 medium 3.4.7 15 Jun 2026
CVE-2026-49458: DOMPurify Cross-Realm IN_PLACE Sanitization Vulnerability 6.1 medium 3.4.6 15 Jun 2026
CVE-2026-49459: DOMPurify XSS Vulnerability via IN_PLACE Mode Attribute Preservation 6.1 medium 3.4.6 15 Jun 2026
CVE-2026-0540: DOMPurify Cross-site Scripting Vulnerability 6.1 medium No fix published 03 Mar 2026
CVE-2026-0540: DOMPurify Cross-site Scripting Vulnerability 6.1 medium No fix published 03 Mar 2026
XSS Vulnerability in DOMPurify: Risk of Executable Detached Subtree 5.1 medium 3.4.13 07 Aug 2026
Persistent ALLOWED_ATTR Pollution in DOMPurify: A Security Flaw 5.1 medium 3.4.11 18 Jun 2026
CVE-2026-49978: DOMPurify Sanitization Bypass via Shadow DOM in <template> 5.1 medium 3.4.7 15 Jun 2026
DOMPurify Custom Element Handling Bypass Vulnerability - CVE-2026-XXXX 2.1 low 3.4.12 21 Jul 2026
DOMPurify Vulnerability: Trusted Types Policy Persistence After Clear Config 2.1 low 3.4.9 15 Jun 2026
DOMPurify Vulnerability: SAFE_FOR_TEMPLATES Bypass in Version 3.4.7 2.0 low 3.4.8 15 Jun 2026
GHSA-c6gr-qvv4-5v3f: DOMPurify XHTML-mode SVG sanitization allows click-triggered XSS N/A low 3.4.17 22 Oct 2026
DOMPurify Vulnerability: IN_PLACE Mode Allows Rawtext Payload Execution N/A low 3.4.16 05 Oct 2026
XSS Vulnerability in DOMPurify 3.4.6: Trusting Attacker-Controlled Node Names N/A low No fix published 15 Jun 2026

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Questions

About dompurify 3.4.5

Is dompurify 3.4.5 vulnerable?

Yes. 17 vulnerabilities in the Vulert database cover dompurify 3.4.5: 1 critical, 1 high, 9 medium and 6 low. Each entry above names the fixed version to move to.

Is 3.4.5 the latest release of dompurify?

No. 3.4.5 was published 18 May 2026, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.

How do I monitor dompurify for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the dompurify version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.