Is CVE-2025-64325 in the CISA KEV catalog?

No. CVE-2025-64325 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-64325?

CVE-2025-64325 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2025-64325?

CVE-2025-64325 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-64325

CRITICAL

9.0

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)CWE-116

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

https://github.com/EmbySupport/Emby.Security/security/advisories/GHSA-2gwc-988r-2r7x

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-15.