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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-13971

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

CVE-2020-13971

core-osv · Original source

Published 28 Jul 2020, 21:15 UTC

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"
}