Home/CVE/jellyfin-web is the web client for Jellyfin, a free-software media system. Starting in version 10.1.0 and prior to versi
CVE

CVE-2023-30627

jellyfin-web is the web client for Jellyfin, a free-software media system. Starting in version 10.1.0 and prior to versi

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.

CRITICAL · CVSS 9 EPSS 0.00826
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
jellyfin>= 10.1.0 and < 10.8.10
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Jellyfin.Controller HIGH fixed in 10.8.10
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-9p5f-5x8v-x65mgithub.com
▣

Scoring & Timeline

9
CRITICAL · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Apr 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/jellyfin/jellyfin-web/commit/b88a5951e1a517ff4c820e693d9c0da981cf68eePatch
https://github.com/jellyfin/jellyfin-web/releases/tag/v10.8.10Release Notes
https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pqVendor Advisory
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