Cross-site Scripting in dompurify
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-26870US | medium6.1 | — | ||
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 fr… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/cure53/DOMPurifyPACKAGE
- https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62dWEB
- https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17WEB
- https://lists.debian.org/debian-lts-announce/2020/10/msg00029.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-26870ADVISORY
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870WEB
- https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypassWEB
- https://snyk.io/vuln/SNYK-JS-DOMPURIFY-1016634WEB
scry
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