CVE-2020-11888

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
python-markdown2_projectpython-markdown2
𝑥
≤ 2.3.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-markdown2
bullseye
2.3.10-1.1
fixed
bookworm
2.4.1-1
fixed
sid
2.4.11-1
fixed
trixie
2.4.11-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-markdown2
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
needs-triage
eoan
ignored
bionic
dne
xenial
dne
trusty
dne