Medium
Security advisory
Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25828
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:34 UTC · Revision 1
Source evidence
Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.
osv:CVE-2021-25828
Complete source record
{
"id": "67045f75093e6593377fa3f6b30f3c9ee8a8addcf51eb1c0b529dafc55f0b4e7",
"url": "https://osv.dev/vulnerability/CVE-2021-25828",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25828",
"summary": "Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.",
"evidence": "osv:CVE-2021-25828",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-25828",
"aliases": [
"CVE-2021-25828"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mediabrowser/emby.releases",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9b14e8e268b293380c1c1719e519c179fa2ad7f8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.6.0.50"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25828.json"
}
}
],
"modified": "2026-10-26T02:30:44.885228284Z",
"provider": "osv",
"references": [
"https://github.com/MediaBrowser/Emby/issues/3785"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*"
],
"vendor_product": "emby:emby",
"extracted_events": [
{
"range": [
{
"fixed": "4.6.0.50"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-25828",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 446667,
"published_at": "2023-06-28T20:15:09.453+00:00"
}