CVE-2023-41704: Open-Xchange Appsuite

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Processing of CID references at E-Mail can be abused to inject malicious script code that passes the sanitization engine. Malicious script code could be injected to a users sessions when interacting with E-Mails. Please deploy the provided updates and patch releases. CID handing has been improved and resulting content is checked for malicious content. No publicly available exploits are known.

Affected products

• Open-Xchange Open-Xchange Appsuite: before 7.6.3 (fixed in 7.6.3); after 7.6.3, before 7.10.6 (fixed in 7.10.6); after 7.10.6, before 8.20 (fixed in 8.20); version 7.6.3 only; version 7.10.6 only

Published 2024-02-12. Last modified 2026-06-17.