CVE-2026-44896
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
May 26, 2026
Vendor
unknown
Description
Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and realier, in src/mistune/directives/image.py, the render_figure() function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when HTMLRenderer(escape=True) is used, because these values bypass the inline renderer.