CVE-2020-26870

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
VendorProductVersion
cure53dompurify
𝑥
< 2.0.17
debiandebian_linux
9.0
microsoftvisual_studio_2017
15.9
microsoftvisual_studio_2019
16.0
microsoftvisual_studio_2019
16.4
microsoftvisual_studio_2019
16.7
microsoftvisual_studio_2019
16.8
oracleapplication_express
𝑥
< 21.1.0.00.01
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dompurify.js
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
needs-triage
xenial
needs-triage
trusty
dne