CVE-2017-16907: Horde Groupware

Medium severity, CVSS 5.4. EPSS: 1.1% chance of exploitation in the next 30 days.

In Horde Groupware 5.2.19 and 5.2.21, there is XSS via the Color field in a Create Task List action.

Affected products

• Horde Groupware: version 5.2.19 only; version 5.2.21 only

Published 2017-11-20. Last modified 2026-06-17.