CVE-2020-27659: Synology Safeaccess

Medium severity, CVSS 4.8. EPSS: 5.2% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in Synology SafeAccess before 1.2.3-0234 allow remote attackers to inject arbitrary web script or HTML via the (1) domain or (2) profile parameter.

Affected products

• Synology Safeaccess: before 1.2.3-0234 (fixed in 1.2.3-0234)

Published 2020-11-30. Last modified 2026-06-17.