CVE-2020-26870

Cure53 DOMPurify before 2.0.17 allows mutation XSS

published October 7, 2020

CVSS
—
EPSS
5%
Percentile
92.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04881 · 92.0th percentile
Published
2020-10-07T15:50Z
EPSS history
Timeline
  • 07 OCT 15:50Z
    Cure53 DOMPurify before 2.0.17 allows mutation XSS
    cvelistv5