CVE-2017-16876

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/lepture/mistune/blob/master/CHANGES.rst third party advisory release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/ vendor advisory
https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98 third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1524596 third party advisory vdb entry issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-16876?
CVE-2017-16876 has been scored as a medium severity vulnerability.
How to fix CVE-2017-16876?
To fix CVE-2017-16876, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16876 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-16876 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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