CVE-2005-4189: Horde Kronolith h3

Low severity, CVSS 3.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in Horde Kronolith H3 before 2.0.6 allow remote authenticated users to inject arbitrary web script or HTML via (1) the Calendar name field when creating calendars, (2) event title field when deleting events, the (3) Category and (4) Location search fields, and the (5) attendees email address fields when editing event attendees, and possibly other vectors.

Affected products

• Horde Kronolith h3: version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.2_rc1 only; version 2.0.3 only; version 2.0.3_rc1 only; …

Published 2005-12-13. Last modified 2026-06-16.