CVE-2021-38375: Open-Xchange Ox App Suite

Medium severity, CVSS 6.1. EPSS: 1.4% chance of exploitation in the next 30 days.

OX App Suite through 7.10.5 allows XSS via the alt attribute of an IMG element in a truncated e-mail message.

Affected products

• Open-Xchange Ox App Suite: up to and including 7.10.5

Published 2021-11-22. Last modified 2026-06-17.