CVE-2025-48992

Name of the Vulnerable Software and Affected Versions Group-Office versions prior to 6.8.123 Group-Office versions prior to 25.0.27

Description A stored and blind cross-site scripting (XSS) issue exists in the Name Field of the user profile. An attacker can change their name to a javascript payload, which is executed when a user adds the malicious user to their Synchronization > Address books.

Recommendations For versions prior to 6.8.123, update to version 6.8.123 or later. For versions prior to 25.0.27, update to version 25.0.27 or later. As a temporary workaround, consider restricting the ability to add users to the Synchronization > Address books until the issue is resolved.