CVE-2020-10103: Zammad

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the File Upload functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens a specially crafted link to the uploaded file with an active Zammad session.

Affected products

• Zammad Zammad: from 1.0.0, up to and including 3.2.0

Published 2020-03-05. Last modified 2026-06-17.