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CVE-2025-64325

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

Published: Nov 18, 2025Updated: Jan 15, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
9.0CVSSCRITICAL
EPSS Score
0.4%
Top 71.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-79CWE-116

Affected Products

Emby.SecurityEmbySupport
Mixed
Security Products
embyemby
On-prem
Consumer Software / media-player
embysupportcommercialSecurity Productsaka emby.security, security
embycommercialConsumer Softwareaka mediabrowser, emby.releases

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x
github.com

Timeline

Published
Nov 18, 2025
Last Updated
Jan 15, 2026

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