CVE-2020-26870
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Cure53 Dompurify
PublishedOct 7, 2020
First seenOct 7, 2020
How to fix
Update
- cure53 dompurify2.0.17 or later
- oracle application_express21.1.0.00.01 or later
- dompurify2.0.17 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cure53 dompurify | v < 2.0.17 | 2.0.17 |
| debian debian_linux | 9.0 | — |
| microsoft visual_studio_2017 | 15.9 | — |
| microsoft visual_studio_2019 | 16.0, 16.4, 16.7, 16.8 | — |
| oracle application_express | v < 21.1.0.00.01 | 21.1.0.00.01 |
| dompurifynpm | v < 2.0.17 | 2.0.17 |
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