# showdown (npm) vulnerabilities

3 known vulnerabilities (3 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.npmjs.com/package/showdown

## Advisories (3)

### [CVE-2026-59710](https://cve.now/CVE-2026-59710): showdown - Stored XSS via Unescaped Table Header ID Attribute Injection

- Severity: Medium 5.3
- Published: Jul 6, 2026
- Affected: through 2.1.0.

### [CVE-2026-59711](https://cve.now/CVE-2026-59711): showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

- Severity: Medium 5.3
- Published: Jul 6, 2026
- Affected: through 2.1.0.

### [CVE-2024-1899](https://cve.now/CVE-2024-1899): Showdownjs Denial of Service

- Severity: Medium 5.3
- Published: Feb 26, 2024
- Affected: through 2.1.0.

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