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FreeBSD: VID-CF6F3465-E996-4672-9458-CE803F29FDB7 (CVE-2020-11888): py-markdown2 -- XSS vulnerability

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FreeBSD: VID-CF6F3465-E996-4672-9458-CE803F29FDB7 (CVE-2020-11888): py-markdown2 -- XSS vulnerability

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
04/20/2020
Created
09/05/2023
Added
09/01/2023
Modified
09/01/2023

Description

python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.

Solution(s)

  • freebsd-upgrade-package-py310-markdown2
  • freebsd-upgrade-package-py311-markdown2
  • freebsd-upgrade-package-py37-markdown2
  • freebsd-upgrade-package-py38-markdown2
  • freebsd-upgrade-package-py39-markdown2

References

  • CVE-2020-11888

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