Medium severity6.1NVD Advisory· Published Dec 29, 2017· Updated Jun 17, 2026
CVE-2017-16876
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mistunePyPI | < 0.8.1 | 0.8.1 |
Affected products
4- cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:*
- ghsa-coords2 versions
< 0.8.1+ 1 more
- (no CPE)range: < 0.8.1
- (no CPE)range: < 3.0.2-2.5
Patches
Vulnerability mechanics
References
8- github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98nvdPatchThird Party AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryVDB EntryWEB
- github.com/advisories/GHSA-98gj-wwxm-cj3hghsaADVISORY
- github.com/lepture/mistune/blob/master/CHANGES.rstnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2017-16876ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2017-18.yamlghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQCghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/nvd
News mentions
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