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CVE-2026-41239

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CVE-2026-41239

Published: Apr 23, 2026

Modified: Apr 25, 2026

PUBLISHED

CVSS v3.1

6.8

MEDIUM

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.

VendorProductVersions

cure53

DOMPurify

affected
>= 1.0.10, < 3.4.0

Weaknesses (CWE)

CWE-79
CWE-1289

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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