Cross-site Scripting (XSS) Affecting mistune package, versions <0.8.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIAN11-MISTUNE-525926
- published29 Dec 2017
- disclosed29 Dec 2017
Introduced: 29 Dec 2017
CVE-2017-16876 (opens in a new tab)How to fix?
Upgrade Debian:11 mistune to version 0.8.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mistune package and not the mistune package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-16876
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/
- https://github.com/lepture/mistune/blob/master/CHANGES.rst
- https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98
- https://bugzilla.redhat.com/show_bug.cgi?id=1524596
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-16876
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/