CVE-2022-29853: Open-Xchange Appsuite

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

OX App Suite through 8.2 allows XSS via a certain complex hierarchy that forces use of Show Entire Message for a huge HTML e-mail message.

Affected products

• Open-Xchange Open-Xchange Appsuite: before 7.10.5 (fixed in 7.10.5); version 7.10.5 only; version 7.10.6 only; version 8.2 only

Published 2022-12-26. Last modified 2026-06-17.