CVE-2018-9997: Open-Xchange Appsuite

Medium severity, CVSS 6.1. EPSS: 1.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in mail compose in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev28 allows remote attackers to inject arbitrary web script or HTML via the data-target attribute in an HTML page with data-toggle gadgets.

Affected products

• Open-Xchange Open-Xchange Appsuite: up to and including 7.6.3; version 7.6.3 only; version 7.8.0 only; version 7.8.2 only; version 7.8.3 only; version 7.8.4 only

Published 2018-07-05. Last modified 2026-06-17.