CVE-2020-11888
XSS in python-markdown2
6.1
MEDIUM
CVSS 3.1
EPSS 0.65%
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.
How to fix CVE-2020-11888
To remediate CVE-2020-11888, upgrade the affected package to a fixed version below.
- Debian/python-markdown2—upgrade to 2.3.9-1 or later
- —upgrade to 2.3.9 or later
- —upgrade to 2.3.9 or later
Is CVE-2020-11888 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.3.9-1
- from 0, < 2.3.9
- from 0, < 2.3.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |