Security Advisory

ZAA-2020-02

· Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send us information regarding vulnerabilities in Zammad!

Security Advisory Details

  • ID: ZAA-2020-02
  • Date: 03/03/2020
  • Title: Persistent Cross-Site Scripting - File Upload (XSS)
  • Severity: high
  • Product: Zammad 1.0.x up to 3.2.0
  • Fixed in: Zammad 3.2.1, 3.3.0
  • References:
    --> CVE: 2020-10103

Vulnerability Descriptions

Persistent Cross-Site Scripting - File Upload (XSS) (CVE 2020-10103)

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.

Special 🙏 and 🤘 and ❤️ to:

Recommended Resolution

This vulnerability is fixed in the latest versions of Zammad and it is recommended to upgrade to one of these.

Fixed releases can be found at:

Additional information

Online version of this advisory: https://zammad.com/en/advisories/zaa-2020-02

Send all remarks to security issues to security@zammad.com.

Signup
Freuen Ihre Kunden sich schon auf die Service-Hotline?
Kostenlos testen!
Newsletter
Alle Neuigkeiten direkt in Ihrer Inbox!
Zum Newsletter anmelden