Unrated severityNVD Advisory· Published Nov 18, 2025· Updated Nov 19, 2025
Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard
CVE-2025-64325
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.
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Affected products
2- Range: <4.8.1.0, <4.9.0.0-beta
Patches
Vulnerability mechanics
References
1- github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7xmitrex_refsource_CONFIRM
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