Security Advisory

CVE-2026-41239

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-04-23 14:47:56

Last updated 2026-04-25 01:21:43

Assigner GitHub_M

CVSS score 6.8

State PUBLISHED

Description

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Starting in version 1.0.10 and prior to version 3.4.0, `SAFE_FOR_TEMPLATES` strips `{{...}}` expressions from untrusted HTML. This works in string mode but not with `RETURN_DOM` or `RETURN_DOM_FRAGMENT`, allowing XSS via template-evaluating frameworks like Vue 2. Version 3.4.0 patches the issue.

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