XSS in Mistune_project Mistune
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (45.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mistune_project Mistune
- Fedoraproject Fedora — versions 26
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, VDB Entry, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-16876?
- CVE-2017-16876 is a medium-severity vulnerability in Mistune_project Mistune, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-29.
- How severe is CVE-2017-16876?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2017-16876 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.