GHSA-6XMX-85X3-4CV2
Vulnerability from github – Published: 2023-12-13 13:30 – Updated: 2023-12-13 13:30
VLAI?
Summary
Stored XSS via SVG File Upload
Details
Impact
A user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed.
Workaround
Implement the server side file validation https://docs.umbraco.com/umbraco-cms/reference/security/serverside-file-validation
or
Serve all media from an different host (e.g cdn) that where umbraco is hosted
Severity ?
0.0 (None)
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "Umbraco.CMS"
},
"ranges": [
{
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.15.11"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Umbraco.CMS"
},
"ranges": [
{
"events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.18.9"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Umbraco.CMS"
},
"ranges": [
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "10.7.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Umbraco.CMS"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.5.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Umbraco.CMS"
},
"ranges": [
{
"events": [
{
"introduced": "12.0.0"
},
{
"fixed": "12.2.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-49279"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2023-12-13T13:30:53Z",
"nvd_published_at": "2023-12-12T20:15:08Z",
"severity": "LOW"
},
"details": "#### Impact\nA user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed.\n\n#### Workaround\nImplement the server side file validation\nhttps://docs.umbraco.com/umbraco-cms/reference/security/serverside-file-validation\n\nor \n\nServe all media from an different host (e.g cdn) that where umbraco is hosted",
"id": "GHSA-6xmx-85x3-4cv2",
"modified": "2023-12-13T13:30:53Z",
"published": "2023-12-13T13:30:53Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6xmx-85x3-4cv2"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49279"
},
{
"type": "WEB",
"url": "https://docs.umbraco.com/umbraco-cms/reference/security/serverside-file-validation"
},
{
"type": "PACKAGE",
"url": "https://github.com/umbraco/Umbraco-CMS"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Stored XSS via SVG File Upload"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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