Medium
Security advisory
Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-9472
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:21 UTC · Revision 1
Source evidence
Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality.
osv:CVE-2020-9472
Complete source record
{
"id": "c5dd91649b4ac89ae1fb26a2677fc1b78dc30d331a2dd7ab6a876ef315ba775f",
"url": "https://osv.dev/vulnerability/CVE-2020-9472",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-9472",
"summary": "Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality.",
"evidence": "osv:CVE-2020-9472",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-9472",
"aliases": [
"CVE-2020-9472",
"GHSA-j66f-h9hm-975m"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/umbraco/umbraco-cms",
"type": "GIT",
"events": [
{
"introduced": "4cf78d6ef049b58e513da4bf9ccc95180b36eebb"
},
{
"last_affected": "4cf78d6ef049b58e513da4bf9ccc95180b36eebb"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:umbraco:umbraco_cms:8.5.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.5.3"
},
{
"last_affected": "8.5.3"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"8.5.3",
"release-8.5.3"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9472.json"
}
}
],
"modified": "2026-10-24T10:30:17.631889514Z",
"provider": "osv",
"references": [
"https://gitlab.com/eLeN3Re/cve-2020-9472"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-9472",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429606,
"published_at": "2020-03-16T20:15:13.003+00:00"
}