Medium
Security advisory
In Shopware before 6.2.3, authenticated users are allowed to use the Mediabrowser fileupload feature to upload SVG images containing JavaScript. This leads to Persistent XSS. An uploaded image can be accessed without authentication.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-13971
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:42 UTC · Revision 1
Source evidence
In Shopware before 6.2.3, authenticated users are allowed to use the Mediabrowser fileupload feature to upload SVG images containing JavaScript. This leads to Persistent XSS. An uploaded image can be accessed without authentication.
osv:CVE-2020-13971
Complete source record
{
"id": "7d2f1d0294feaa29dcbcd9308a16a22c83e9f3cf8e102750192b2a1f3abd7fb2",
"url": "https://osv.dev/vulnerability/CVE-2020-13971",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-13971",
"summary": "In Shopware before 6.2.3, authenticated users are allowed to use the Mediabrowser fileupload feature to upload SVG images containing JavaScript. This leads to Persistent XSS. An uploaded image can be accessed without authentication.",
"evidence": "osv:CVE-2020-13971",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-13971",
"aliases": [
"CVE-2020-13971",
"GHSA-fxf3-wx3c-76pf"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/shopware/shopware",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "bd9969c109a08e53778fbfe52a0c3dcdc1977572"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "6.2.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v6.2.0",
"v6.2.0-RC1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13971.json"
}
}
],
"modified": "2026-10-24T10:30:43.435947073Z",
"provider": "osv",
"references": [
"https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-07-2020",
"https://www.shopware.com/en/changelog/#6-2-3"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-13971",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435629,
"published_at": "2020-07-28T21:15:14.23+00:00"
}