Skip to content
OpenAdvisories
High · 8.4 CVE-2025-64325 EUVD-2025-198099

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

Published Nov 18, 2025 · Updated Nov 19, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
EmbySupport Emby.Security Emby Server (Web App) < 4.8.1.0, Emby Server Beta (Web App) < 4.9.0.0-beta —

References