CVE-2017-16876
UnknownEPSS 2.20%
Last modified
CVE-2017-16876 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.20% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mistune Project | Mistune | < 0.8.1 |
| Fedoraproject | Fedora | 26 |
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://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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-16876?
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.
How severe is CVE-2017-16876?
Severity scoring for CVE-2017-16876 is pending analysis. The EPSS model estimates a 2.20% probability of exploitation in the next 30 days.
How do I fix CVE-2017-16876?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2017-16876?
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Scan your code nowSource: NVD / NIST