Read the docs
TI-2023-09464 Aliases CVE-2023-23636GHSA-2h5r-cqfc-45v6

In Jellyfin 10.8.x through 10.8.3, the name of a playlist is vulnerable to stored XSS.

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

In Jellyfin 10.8.x through 10.8.3, the name of a playlist is vulnerable to stored XSS. This allows an attacker to steal access tokens from the localStorage of the victim.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00643 51st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed jellyfin-web (npm): 10.8.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—jellyfin-web (npm)10.8.0 to before 10.8.410.8.4Patch availableGHSA-2h5r-cqfc-45v6
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • jellyfin-web (npm) Vendor— Affected 10.8.0 to before 10.8.4 Fixed in 10.8.4 Patch available GHSA-2h5r-cqfc-45v6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*10.8.0 – 10.8.3Vulnerablejellyfin
  • cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:* Versions 10.8.0 – 10.8.3 Vulnerable ·jellyfin

Remediation

  • Fix · GHSA-2h5r-cqfc-45v6 jellyfin-web (npm) Fixed in 10.8.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23636
  2. 2026-10-03 Alias added: GHSA-2h5r-cqfc-45v6
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Exploit 2

Advisory 2

Other 5

  • TI-2021-04500 Unauthenticated Arbitrary File Access in Jellyfin CVSS 3.1HIGH 7.7
  • TI-2023-26761 Argument Injection in FFmpeg codec parameters in Jellyfin CVSS 3.1HIGH 8.8
  • TI-2021-10203 Unauthenticated GET requests through Remote Image endpoints CVSS 3.1MEDIUM 5.8
  • TI-2023-09463 In Jellyfin 10.8.x through 10.8.3, the name of a collection is vulnerable to stored XSS. CVSS 3.1MEDIUM 5.4
  • TI-2026-24405 Jellyfin Possible Organization/Secret Compromise from dangerous CI implementation CVSS 3.1CRITICAL 10.0
  • TI-2026-27236 Jellyfin: Potential SSRF + Arbitrary file read via stream argument injection CVSS 4.0CRITICAL 9.3
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences