jellyfin-web is the web client for Jellyfin, a free-software media system. Starting in version 10.1.0 and prior to version 10.8.10, a stored cross-site scripting vulnerability in device.js can be used to make arbitrary calls to the `REST` endpoints with admin privileges. When combined with CVE-2023-30626, this results in remote code execution on the Jellyfin instance in the context of the user who's running it. This issue is patched in version 10.8.10. There are no known workarounds.
Use CWE-79, Jellyfin vendor hub and Jellyfin product page to widen CVE-2023-30627 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-31852, CVE-2026-35031 and CVE-2026-35033 for nearby disclosures in the same product family.