Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2419-1 dompurify.js security update
EUVD EUVD EUVD-2020-1486 Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.
Github GHSA Github GHSA GHSA-63q7-h895-m982 Cross-site Scripting in dompurify
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T16:03:22.865Z

Reserved: 2020-10-07T00:00:00

Link: CVE-2020-26870

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-07T16:15:18.030

Modified: 2024-11-21T05:20:23.420

Link: CVE-2020-26870

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses