VULNERABILITY INTELLIGENCE
CVE-2017-16876
CVSS score6.1 MEDIUM
EPSS probability2.23%
CISA KEVNot currently listed
Published2017-12-29
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
Cross-site scripting (XSS) vulnerability in the _keyify function in mistune.py in Mistune before 0.8.1 allows remote attackers to inject arbitrary web script or HTML by leveraging failure to escape the "key" argument.
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Primary references
- cve@mitre.org — Issue Tracking, Third Party Advisory, VDB Entry
- cve@mitre.org — Release Notes, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108