CVE-2017-8783: Synacor Zimbra Collaboration Suite

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.

Affected products

• Synacor Zimbra Collaboration Suite: before 8.7.10 (fixed in 8.7.10)

Published 2018-02-04. Last modified 2026-06-17.