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osvGoogleOSV:GHSA-63Q7-H895-M982
HistoryDec 18, 2020 - 10:51 p.m.

Cross-site Scripting in dompurify

2020-12-1822:51:40
Google
osv.dev
286
cure53
dompurify
mutation
xss
serialize-parse
roundtrip
namespace
html
mathml
nesting
form
elements
software

EPSS

0.01

Percentile

83.7%

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.