Security Advisory


· 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-2018-01
  • Date: 03/29/2018
  • Title: XSS in Table Overviews
  • Severity: high
  • Product: Zammad 2.2.x up to 2.3.0
  • Fixed in: Zammad 2.2.2, 2.3.1
  • References:
    --> CVE-2018-1000154

Vulnerability Descriptions

1 - XSS vulnerability (CVE-2018-1000154)

Malicious HTML send via REST or email lead to execution in the application domain causing a XSS vulnerability. Zammad did not properly sanitizes user input in the title of a table This is now fixed.

Special 🙏 and 🤘 and ❤️ to:

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:

If you have a hosted Zammad, you do not need to take care. It's already updated.

Additional information

Online version of this advisory:

Send all remarks to security issues to

Together we turn your customers into fans.
Start free trial!
All releases and news directly in your inbox.
Subscribe to the newsletter