CVE-2020-11888

NameCVE-2020-11888
Descriptionpython-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs959445

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-markdown2 (PTS)bullseye2.3.10-1.1fixed
bookworm2.4.1-1fixed
sid, trixie2.4.11-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-markdown2sourcebuster2.3.7-2+deb10u1
python-markdown2source(unstable)2.3.9-1959445

Notes

https://github.com/trentm/python-markdown2/issues/348

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