Incorrect Access Control and Cross Site Scripting in Jellyfin

HIGH 8.8CVE-2022-35909 · GHSA-qwp3-5fw3-5wgv · Published 19/08/2022 · updated 17/06/2026

In short

CVE-2022-35909 is a HIGH (CVSS 8.8) vulnerability affecting Jellyfin.Common, jellyfin (jellyfin).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 76.4% of all vulnerabilities.
Fix: update to 10.8.0, 10.8 or later.

Package	Affected versions	Patched versions
Jellyfin.Common NuGet	`< 10.8.0`	`10.8.0`
jellyfin jellyfin	`< 10.8`	`10.8`

Description

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.

NVD description

In Jellyfin before 10.8, the /users endpoint has incorrect access control for admin functionality.

References

nvd.nist.gov/vuln/detail/CVE-2022-35909 · ADVISORY
jellyfin/jellyfin#7569 · WEB
docs.google.com/document/d/1cBXQrokCvWxKET4BKi3ZLtVp5gst6-MrGPgMKpfXw8Y/edit · WEB
jellyfin/jellyfin · PACKAGE
medium.com/stolabs/cve-2022-35909-cve-2022-35910-incorrect-access-control-and-xss-stored-to-jellyfin-967359c91058 · WEB

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