Medium 6.1Published Jun 28, 2023

CVE-2021-25828Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.

Updated under an hour ago (Oct 26, 2026, 10:23 PM ET)

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Exploited in the last 30 days

Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.

CVSS: 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Oct 24, 2026
First seen by InfoSec Signals: Oct 24, 2026

Affected products

Affected products

emby emby emby:emby	before 4.6.0.50	NVD

References

References

https://github.com/MediaBrowser/Emby/issues/3785	exploit, issue-tracking, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.