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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-26870 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d Patch  Third Party Advisory 
https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d Patch  Third Party Advisory 
https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17 Patch  Third Party Advisory 
https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17 Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html Mailing List  Third Party Advisory 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870 Patch  Vendor Advisory 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870 Patch  Vendor Advisory 
https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/ Exploit  Third Party Advisory 
https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/ Exploit  Third Party Advisory 
https://www.oracle.com//security-alerts/cpujul2021.html Patch  Third Party Advisory 
https://www.oracle.com//security-alerts/cpujul2021.html Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-26870
NVD Published Date:
10/07/2020
NVD Last Modified:
11/21/2024
Source:
MITRE