CVE-2023-30627

CRITICALNVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.0 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 33% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.0Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.0
EG Score
9.0(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
68%
KEV
Not listed

Published

April 24, 2023

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jul 26, 2026
Patch available. Sources: github_commit, github_release, github.
github Patch Available

Directory traversal + file write causing arbitrary code execution · Advisory · jellyfin/jellyfin · GitHub

https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
github Patch Available

Stored XSS vulnerability in devices.js · Advisory · jellyfin/jellyfin-web · GitHub

https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq
github_release Patch Available

10.8.10

Patch available: jellyfin/jellyfin-web v10.8.10

https://github.com/jellyfin/jellyfin-web/releases/tag/v10.8.10
github_commit

commit b88a5951e1a5 (jellyfin/jellyfin-web)

Fix landed in jellyfin/jellyfin-web commit b88a5951e1a5 — awaiting tagged release

https://github.com/jellyfin/jellyfin-web/commit/b88a5951e1a517ff4c820e693d9c0da981cf68ee

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 159 total refreshes for this CVE.

  1. 2026-09-07 15:59 UTCEPSS rescore
  2. 2026-09-06 13:45 UTCEPSS rescore
  3. 2026-09-05 15:25 UTCEPSS rescore
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  1. 2026-08-12 13:48 UTCEPSS rescore
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  30. 2026-07-23 02:21 UTCEG score recompute
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  44. 2026-07-15 22:19 UTCOSV refresh
  45. 2026-07-15 16:56 UTCEPSS rescore
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  72. 2026-06-27 22:34 UTCOSV refresh
  73. 2026-06-27 03:07 UTCEPSS rescore
  74. 2026-06-25 13:48 UTCEPSS rescore
  75. 2026-06-25 13:48 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-30627?
CVE-2023-30627 is a critical vulnerability published on April 24, 2023. 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…
When was CVE-2023-30627 disclosed?
CVE-2023-30627 was first published in the National Vulnerability Database on April 24, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-30627 actively exploited?
CVE-2023-30627 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 31.9% of all scored CVEs.
What is the CVSS score of CVE-2023-30627?
CVE-2023-30627 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2023-30627?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-30627, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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