In breve
- CVE-2026-59711 è una vulnerabilità MEDIO (CVSS 6.1) che riguarda showdown.
- Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.23%, superiore al 13.9% delle vulnerabilità.
- Nessuna versione corretta ancora nota: segui l'avviso del produttore nei riferimenti.
| Package | Affected versions | Patched versions |
|---|
| showdown npm | ≤ 2.1.0
| No fix yet |
Description
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.
NVD description
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.
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