CVE-2025-64325 - CVE House
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Status published High CVE-2025-64325

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from EmbySupport

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Affected Vendor

EmbySupport

View all reports →

Affected Software

Emby.Security
Vulnerable Versions:
Emby Server (Web App) < 4.8.1.0, Emby Server Beta (Web App) < 4.9.0.0-beta

Timeline

Official Publish: November 18th, 2025
Last Modified: November 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-79 CWE-116

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact