CVE-2020-26870

Publication date

2020-10-07 15:50:09

Family

mitre

State

PUBLISHED

Description

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.