CVE-2016-4048: Open-Xchange Appsuite

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. Custom messages can be shown at the login screen to notify external users about issues with sharing links. This mechanism can be abused to inject arbitrary text messages. Users may get tricked to follow instructions injected by third parties as part of social engineering attacks.

Affected products

• Open-Xchange Open-Xchange Appsuite: up to and including 7.8.1

Published 2016-12-15. Last modified 2026-06-17.