CVE-2017-16876

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 6.1/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://bugzilla.redhat.com/show_bug.cgi?id=1524596Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/lepture/mistune/blob/master/CHANGES.rstRelease Notes, Third Party Advisory
https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/
https://bugzilla.redhat.com/show_bug.cgi?id=1524596Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/lepture/mistune/blob/master/CHANGES.rstRelease Notes, Third Party Advisory
https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/

Timeline

Published: Dec 29, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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