cve-2020-26870
Vulnerability from cvelistv5
Published
2020-10-07 15:50
Modified
2024-08-04 16:03
Severity ?
Summary
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.
References
cve@mitre.orghttps://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62dPatch, Third Party Advisory
cve@mitre.orghttps://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/10/msg00029.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870Patch, Vendor Advisory
cve@mitre.orghttps://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/Exploit, Third Party Advisory
cve@mitre.orghttps://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/10/msg00029.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.