Security Advisory
ZAA-2020-01
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Security Advisory Details
- ID: ZAA-2020-01
- Date: 03/03/2020
- Title: Persistent Cross-Site Scripting - "Toolbar" (XSS)
- Severity: high
- Product: Zammad 1.0.x up to 3.2.0
- Fixed in: Zammad 3.2.1, 3.3.0
- References:
--> CVE: 2020-10099
Vulnerability Descriptions
Persistent Cross-Site Scripting - "Toolbar" (XSS) (CVE 2020-10099)
Malicious code can be provided by a low-privileged user through the Ticket functionality in Zammad. The malicious JavaScript with execute within the browser of any user who opens the ticket or has the ticket within the “Toolbar”.
Special 🙏 and 🤘 and ❤️ to:
-
N: Guardian Project
-
N: Center for Digital Resilience
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-2020-01
Send all remarks to security issues to security@zammad.com.