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CVE-2026-59711
MEDIUM(6.1)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Risk Signal Score25/100 — MITTEL
- CVSS 6.1 — Mittel
- Weniger als 24 Stunden alt
Beschreibung
showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into HTML title tags, enabling attackers to break out of the title context and execute malicious scripts in the rendered page.