CVE-2023-49077: Mailcow Mailcow: Dockerized

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Mailcow: dockerized is an open source groupware/email suite based on docker. A Cross-Site Scripting (XSS) vulnerability has been identified within the Quarantine UI of the system. This vulnerability poses a significant threat to administrators who utilize the Quarantine feature. An attacker can send a carefully crafted email containing malicious JavaScript code. This issue has been patched in version 2023-11.

Affected products

• Mailcow Mailcow: Dockerized: before 2023-11 (fixed in 2023-11)

Published 2023-11-30. Last modified 2026-06-17.