CVE-2018-8921: Synology Drive Server

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in File Sharing Notify Toast in Synology Drive before 1.0.2-10275 allows remote authenticated users to inject arbitrary web script or HTML via the malicious file name.

Affected products

• Synology Drive Server: before 1.0.2-10275 (fixed in 1.0.2-10275)

Published 2018-06-01. Last modified 2026-06-17.