CVE-2023-30627 — jellyfin-web is the web client for Jellyfin, a free-software media system
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 com
Published
2023-04-24T20:07:27.588Z
Last modified
2025-02-12T16:34:53.533Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
01What is this vulnerability?
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…
02Affected products
| Vendor | Product | Versions |
|---|
| jellyfin | jellyfin | web — >= 10.1.0, < 10.8.10 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
08Timeline
- Published: 2023-04-24T20:07:27.588Z
- Last modified: 2025-02-12T16:34:53.533Z
09References
- github.com — https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq
- github.com — https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
- github.com — https://github.com/jellyfin/jellyfin-web/commit/b88a5951e1a517ff4c820e693d9c0da9…
- github.com — https://github.com/jellyfin/jellyfin-web/releases/tag/v10.8.10
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