CVE-2023-30627

jellyfin-web has a stored cross-site scripting vulnerability in devices.js

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.28%Up 1.2 points since Apr 25, 2023

What each source reports

CVE List Score used 9.1

jellyfin-web has a stored cross-site scripting vulnerability in devices.js

Record: CVE-2023-30627
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-34993 9.1

Record: EUVD-2023-34993
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Updated: 2026-11-03

NVD 9.0

Record: CVE-2023-30627
CVSS 3.1: 9.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 9.0

jellyfin-web has a stored cross-site scripting vulnerability in devices.js

Record: CVE-2023-30627
CVSS 3.1: 9.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-30627 is a critical vulnerability (CVSS 9.1) in Jellyfin, published April 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.