Vulnerability-Lookup

FKIE_CVE-2026-104937

Vulnerability from fkie_nvd - Published: 2026-10-13 19:17 - Updated: 2026-10-13 21:17

Severity

Summary

Shopware version 6.7 allows the upload of attacker‑controlled HTML files and serves them as text/html without effective security headers, enabling stored cross-site scripting (XSS). When a malicious uploaded file containing an embedded JavaScript payload is viewed by an administrator, the attacker can access and exfiltrate the administrator's authentication token. The compromised token enables unauthorized access to the Shopware Administration API. If the affected administrator account possesses extension‑management privileges, an attacker can upload, install, and activate malicious plugins to achieve arbitrary PHP code execution on the underlying OS with the privileges of the Shopware process.

References

	URL	Tags
	cret@cert.org	https://kb.cert.org/vuls/id/157374
	af854a3a-2127-422b-91ae-364da2661108	https://www.kb.cert.org/vuls/id/157374

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Shopware",
          "vendor": "Shopware",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            }
          ]
        }
      ],
      "source": "cret@cert.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Shopware version 6.7 allows the upload of attacker\u2011controlled HTML files and serves them as text/html without effective security headers, enabling stored cross-site scripting (XSS). When a malicious uploaded file containing an embedded JavaScript payload is viewed by an administrator, the attacker can access and exfiltrate the administrator\u0027s authentication token.\r\n\r\nThe compromised token enables unauthorized access to the Shopware Administration API. If the affected administrator account possesses extension\u2011management privileges, an attacker can upload, install, and activate malicious plugins to achieve arbitrary PHP code execution on the underlying OS with the privileges of the Shopware process."
    }
  ],
  "id": "CVE-2026-104937",
  "lastModified": "2026-10-13T21:17:25.917",
  "metrics": {},
  "published": "2026-10-13T19:17:56.030",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "https://kb.cert.org/vuls/id/157374"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/157374"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Deferred"
}

CVE-2026-104937 (GCVE-0-2026-104937)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:15 – Updated: 2026-10-13 20:08

Title

CVE-2026-104937

Summary

Severity

No CVSS data available.

CWE

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

certcc CNA under the mitre root

CNA scorecard E 42/100 over 154 records in the last 180 days details

References

2 references

URL	Tags
https://kb.cert.org/vuls/id/157374
https://www.kb.cert.org/vuls/id/157374

Impacted products

1 product

Vendor	Product	Version
Shopware	Shopware	Affected: 6.7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-10-13T20:08:23.554Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/157374"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Shopware",
          "vendor": "Shopware",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Shopware version 6.7 allows the upload of attacker\u2011controlled HTML files and serves them as text/html without effective security headers, enabling stored cross-site scripting (XSS). When a malicious uploaded file containing an embedded JavaScript payload is viewed by an administrator, the attacker can access and exfiltrate the administrator\u0027s authentication token.\r\n\r\nThe compromised token enables unauthorized access to the Shopware Administration API. If the affected administrator account possesses extension\u2011management privileges, an attacker can upload, install, and activate malicious plugins to achieve arbitrary PHP code execution on the underlying OS with the privileges of the Shopware process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-13T18:15:10.935Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://kb.cert.org/vuls/id/157374"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-104937",
      "x_generator": {
        "engine": "VINCE 3.0.50",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-104937"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-104937",
    "datePublished": "2026-10-13T18:15:10.935Z",
    "dateReserved": "2026-10-02T17:10:28.555Z",
    "dateUpdated": "2026-10-13T20:08:23.554Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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