Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTk4Z2otd3d4bS1jajNo

mistune Cross-site scripting (XSS) vulnerability

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.

Permalink: https://github.com/advisories/GHSA-98gj-wwxm-cj3h
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTk4Z2otd3d4bS1jajNo
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 6 years ago
Updated: 2 months ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-98gj-wwxm-cj3h, CVE-2017-16876
References:

• https://nvd.nist.gov/vuln/detail/CVE-2017-16876
• https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98
• https://bugzilla.redhat.com/show_bug.cgi?id=1524596
• https://github.com/lepture/mistune/blob/master/CHANGES.rst
• https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2017-18.yaml
• https://lists.fedoraproject.org/archives/list/[email protected]/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC
• https://github.com/advisories/GHSA-98gj-wwxm-cj3h

Repository: https://github.com/lepture/mistune
Blast Radius: 29.3

Affected Packages