CVE-2026-73053 in SiYuan

Sumário

de MITRE • 15/08/2026

SiYuan versions before v3.7.4 contain a cross-site scripting vulnerability in the unicode2Emoji function that fails to sanitize codepoint branch output. Attackers can craft document icons with hex-encoded markup that executes in the renderer with Node integration enabled, achieving arbitrary code execution on the host system.

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• Responsável: VulnCheck
• Reservar: 10/08/2026
• Divulgação: 15/08/2026
• Moderação: aceite
• Entrada: VDB-391068
• CPE: pronto
• CWE: CWE-79 (confirmado)
• CVSS: 9.0 (CNA)
• EPSS: 0.00000
• KEV: não
• Atividades: baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-73053
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-73053
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-73053/