IT

Tracker / CVE-2020-26870

CVE-2020-26870

Medium 6.1

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.

Affected products and versions

cure53 dompurify · … → 2.0.17
debian debian_linux
microsoft visual_studio_2017
microsoft visual_studio_2019
oracle application_express · … → 21.1.0.00.01

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References