CVE-2026-44898 PUBLISHED

Mistune TOC Anchor Injection XSS

Assigner: GitHub_M
Reserved: 07.05.2026 Published: 26.05.2026 Updated: 26.05.2026

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, render_toc_ul() builds a

Metrics

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

Product Status

Vendor lepture
Product mistune
Versions
  • Version < 3.2.1 is affected

References

Problem Types

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE