6.1

CVE-2020-26870

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cure53Dompurify Version < 2.0.17
DebianDebian Linux Version9.0
MicrosoftVisual Studio 2017 Version15.9
MicrosoftVisual Studio 2019 Version16.0
MicrosoftVisual Studio 2019 Version16.4
MicrosoftVisual Studio 2019 Version16.7
MicrosoftVisual Studio 2019 Version16.8
OracleApplication Express Version < 21.1.0.00.01
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.88% 0.91
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:P/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://www.oracle.com//security-alerts/cpujul2021.html
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html
Third Party Advisory
Mailing List
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://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/
Third Party Advisory
Exploit