CVE-2026-115350 — Mistune before 3.3.0 Stored XSS via Include Directive HTML Files
Mistune before 3.3.0 contains a cross-site scripting vulnerability in the Include directive that emits included .html, .xhtml, or .htm file content as raw block_html tokens. Att…
Published: 2026-10-22 · CVSS: 5.3 · CVSS 4.0
Mistune before 3.3.0 contains a cross-site scripting vulnerability in the Include directive that emits included .html, .xhtml, or .htm file content as raw block_html tokens. Attackers who can plant an HTML file readable by the renderer can reference it via an include directive, combined with path traversal, to execute stored scripts when escape=False is set.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7