CVE-2020-11888
MEDIUM 5.1EPSS 1.9%
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.
- CVSS v4.0 GitHub
- 5.1 MEDIUM
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 - CVSS v3.1 NVD
- 6.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N - EPSS
- 1.93% chance of exploitation in the next 30 days, 80th percentile
- Published
- 2020-04-20
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
- trentm/python-markdown2/issues/3482823★ · 2026-10-16