Incorrect Access Control and Cross Site Scripting in Jellyfin
In Jellyfin before 10.8, the /users endpoint has incorrect access control for admin functionality. This lack of access control can be leveraged to performe a cross site scripting attack.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Jellyfin.Common | < 10.8.0 | 10.8.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-35909
- https://github.com/jellyfin/jellyfin/pull/7569/files
- https://docs.google.com/document/d/1cBXQrokCvWxKET4BKi3ZLtVp5gst6-MrGPgMKpfXw8Y/edit
- https://github.com/jellyfin/jellyfin
- https://medium.com/stolabs/cve-2022-35909-cve-2022-35910-incorrect-access-control-and-xss-stored-to-jellyfin-967359c91058
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-79- Platform
- .NET (NuGet)
- Package
Jellyfin.Common- Disclosed
- 20.08.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-qwp3-5fw3-5wgv - CC BY 4.0
Vulnerability history: Jellyfin.Common
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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