Name: CVE-2017-16876: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2017-12-29T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2017-16876, CWE-79, CVSS 6.1, EPSS 0.0058

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.

CVSS Details

CVSS 3.0 Base Score: 6.1
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade mistune	Jul 30, 2024	Dec 29, 2017
Suse	—	Upgrade python-mistuneUpgrade python3-mistune	Feb 9, 2018	Dec 29, 2017
Ubuntu	—	No solution exists	Jun 26, 2025	Dec 29, 2017

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CVSS Details

Covered by Rapid7

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