CVE-2017-15890: Synology Mailplus Server

Medium severity, CVSS 4.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Disclaimer in Synology MailPlus Server before 1.4.0-0415 allows remote authenticated users to inject arbitrary web script or HTML via the NAME parameter.

Affected products

• Synology Mailplus Server: before 1.4.0-0415 (fixed in 1.4.0-0415)

Published 2017-12-15. Last modified 2026-06-17.