XSS in Jellyfin
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 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Jellyfin
- Jellyfin Jellyfin-Web — versions >= 10.1.0, < 10.8.10
Weakness classification (CWE)
References
- github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq (Vendor Advisory)
- github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m (Exploit, Patch, Vendor Advisory)
- github.com/jellyfin/jellyfin-web/commit/b88a5951e1a517ff4c820e693d9c0da981cf68ee (Patch)
- github.com/jellyfin/jellyfin-web/releases/tag/v10.8.10 (Release Notes)
Frequently asked questions
- What is CVE-2023-30627?
- CVE-2023-30627 is a critical-severity vulnerability in Jellyfin, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-04-24.
- How severe is CVE-2023-30627?
- Critical severity. CVSS v3 base score is 9.0 out of 10.