CVE-2025-64325

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

Published Nov 18, 2025 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Emby
Emby emby
Vendors & Products Emby
Emby emby
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Emby Server is Vulnerable to Remote Code Execution Through XSS in Admin Dashboard
Weaknesses CWE-116
CWE-79
References
Metrics cvssV4_0

{'score': 8.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 19, 2025, 4:44 PM
Reserved
Oct 30, 2025, 5:40 PM
Status
Analyzed
Published
Nov 18, 2025, 11:15 PM
Modified
Oct 18, 2026, 8:10 PM