Security Advisory
ZAA-2020-03
· 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-2020-03
- Date: 03/03/2020
- Title: Persistent Cross-Site Scripting - Email (XSS)
- Severity: high
- Product: Zammad 1.0.x up to 3.2.0
- Fixed in: Zammad 3.2.1, 3.3.0
- References:
--> CVE: pending2020-10098
Vulnerability Descriptions
Persistent Cross-Site Scripting - Email (XSS) (CVE 2020-10098)
Malicious code can be provided by a low-privileged user through the Email functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens the Ticket with the Article created from that Email.
Special 🙏 and 🤘 and ❤️ to:
- N: Christopher Friedrichs
- D: Security Researcher
- W: https://www.qwertiko.de
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:
- https://zammad.org/
- https://ftp.zammad.com/
Or just update your Zammad if installed via OS package manager.
Additional information
Online version of this advisory: https://zammad.com/en/advisories/zaa-2020-03
Send all remarks to security issues to security@zammad.com.