VULNERABILITY INTELLIGENCE

CVE-2020-11888

CVSS score6.1 MEDIUM
EPSS probability1.93%
CISA KEVNot currently listed
Published2020-04-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references