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TI-2025-39760 Aliases CVE-2025-64325

Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard

Priority HIGH 72CWE-116Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Emby Server is a personal media server. Prior to version 4.8.1.0 and prior to Beta version 4.9.0.0-beta, a malicious user can send an authentication request with a manipulated X-Emby-Client value, which gets added to the devices section of the admin dashboard without sanitization. This issue has been patched in version 4.8.1.0 and Beta version 4.9.0.0-beta.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00444 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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
EmbyEmby.SecurityEmby Server (Web App) < 4.8.1.0; Emby Server Beta (Web App) < 4.9.0.0-beta—No fix listedCNA
  • Emby.Security VendorEmby Affected Emby Server (Web App) < 4.8.1.0; Emby Server Beta (Web App) < 4.9.0.0-beta Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*before 4.8.1.0VulnerableEmby
  • cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:* Versions before 4.8.1.0 Vulnerable ·Emby

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-64325

References

  • TI-2020-16372 Emby Server before 4.5.0 allows SSRF via the Items/RemoteSearch/Image ImageURL parameter. CVSS 3.1CRITICAL 9.8
  • TI-2021-07880 Emby Server < 4.7.12.0 is vulnerable to a login bypass attack by setting the… CVSS 3.1CRITICAL 9.8
  • TI-2022-16600 In Emby Server 4.6.7.0, the playlist name field is vulnerable to XSS stored where it is… CVSS 3.1MEDIUM 6.1
  • TI-2025-39564 Emby Server allows attackers to gain administrative server access without preconditions CVSS 4.0CRITICAL 9.3
  • TI-2021-07881 Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability… CVSS 3.1MEDIUM 6.1

Sources

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