Synology · Synology Carddav Server · CVE-2018-8928
**Name of the Vulnerable Software and Affected Versions**
Synology CardDAV Server versions prior to 6.0.8-0086
**Description**
A cross-site scripting (XSS) issue exists in the Address Book Editor of Synology CardDAV Server, allowing remote authenticated users to inject arbitrary web script or HTML via the `family name`, `given name`, or `additional name` parameters.
**Recommendations**
For versions prior to 6.0.8-0086, update to version 6.0.8-0086 or later to resolve the issue. As a temporary workaround, consider restricting access to the Address Book Editor until the update is applied. Avoid using the `family name`, `given name`, or `additional name` parameters in the affected API endpoint until the issue is resolved.