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CVE-2025-64325— Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard

Quick assessment

Affected
EmbySupport Emby.Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Emby Server是个人开发者的一款功能强大的媒体服务器。该产品主要可用于视频音频和照片等多媒体整合编辑。 Emby Server 4.8.1.0之前版本和4.9.0.0-beta之前版本存在安全漏洞，该漏洞源于X-Emby-Client值未清理，可能导致恶意设备添加。

AI Predicted 4.3 Difficulty: Easy EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
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I. Basic Information for CVE-2025-64325

Vulnerability Information
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Vulnerability Title
Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Emby Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emby Server是个人开发者的一款功能强大的媒体服务器。该产品主要可用于视频音频和照片等多媒体整合编辑。 Emby Server 4.8.1.0之前版本和4.9.0.0-beta之前版本存在安全漏洞，该漏洞源于X-Emby-Client值未清理，可能导致恶意设备添加。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
EmbySupport Emby.Security Emby Server (Web App) < 4.8.1.0 -

II. Public POCs for CVE-2025-64325

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III. Intelligence Information for CVE-2025-64325

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IV. Related Vulnerabilities

Same vendor: EmbySupport
Same weakness: CWE-79

V. Comments for CVE-2025-64325

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