CVE-2025-64325

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.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x	Exploit Vendor Advisory
https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*

History

15 Jan 2026, 22:01

Type	Values Removed	Values Added
CPE		cpe:2.3:a:emby:emby::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.0
References	~~() https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x -~~	() https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x - Exploit, Vendor Advisory
First Time		Emby emby Emby

19 Nov 2025, 17:15

Type	Values Removed	Values Added
References	~~() https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x -~~	() https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x -

18 Nov 2025, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-18 23:15

Updated : 2026-01-15 22:01

NVD link : CVE-2025-64325

Mitre link : CVE-2025-64325

CVE.ORG link : CVE-2025-64325

JSON object : View

Products Affected

emby

emby

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-116

Improper Encoding or Escaping of Output

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