VulnerabilityModified
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.
MEDIUM 6.1EPSS 2.23%
Does this matter?
Lower severity and a low EPSS score (2.23%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.23% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mistune project/mistune · fedoraproject/fedora
- Source
- cve@mitre.org
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/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.