Vulnerability-Lookup

CVE-2026-48015 (GCVE-0-2026-48015)

Vulnerability from cvelistv5 – Published: 2026-07-17 17:53 – Updated: 2026-07-17 18:11

Title

Shopware: Stored XSS via SVG file upload — no SVG sanitization

Summary

Shopware is an open commerce platform. Prior to 6.6.10.18 and 6.7.10.1, SVG files are in the allowed_extensions whitelist in src/Core/Framework/Resources/config/packages/shopware.yaml and can be uploaded via the media manager without SVG content sanitization in the upload pipeline from MediaUploadController to FileSaver to TypeDetector, allowing malicious SVG JavaScript such as onload, <script>, and <foreignObject> to execute in the Shopware domain when the uploaded SVG is viewed. This issue is fixed in versions 6.6.10.18 and 6.7.10.1.

Severity

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

GitHub_M

References

5 references

URL	Tags
https://github.com/shopware/shopware/security/adv…	x_refsource_CONFIRM
https://github.com/shopware/shopware/commit/745a3…	x_refsource_MISC
https://github.com/shopware/shopware/commit/fd6d3…	x_refsource_MISC
https://github.com/shopware/shopware/releases/tag…	x_refsource_MISC
https://github.com/shopware/shopware/releases/tag…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
shopware	shopware	Affected: < 6.6.10.18 Affected: >= 6.7.0.0, < 6.7.10.1
shopware	platform	Affected: < 6.6.10.18 Affected: >= 6.7.0.0, < 6.7.10.1

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-48015

Vulnerability from fkie_nvd - Published: 2026-07-17 18:17 - Updated: 2026-07-17 19:17

Severity

4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/shopware/shopware/commit/745a3ea3b77d4fe0f78c595ef527d8453a134497
	security-advisories@github.com	https://github.com/shopware/shopware/commit/fd6d39bdb62dfa06fe62c7c87b37607d84094cda
	security-advisories@github.com	https://github.com/shopware/shopware/releases/tag/v6.6.10.18
	security-advisories@github.com	https://github.com/shopware/shopware/releases/tag/v6.7.10.1
	security-advisories@github.com	https://github.com/shopware/shopware/security/advisories/GHSA-xvhc-gm7j-mhmc

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
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      "affectedData": [
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          "product": "shopware",
          "vendor": "shopware",
          "versions": [
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          ]
        },
        {
          "product": "platform",
          "vendor": "shopware",
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              "version": "\u003c 6.6.10.18"
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    }
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  "lastModified": "2026-07-17T19:17:15.720",
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GHSA-XVHC-GM7J-MHMC

Vulnerability from github – Published: 2026-06-04 19:35 – Updated: 2026-06-04 19:35

Summary

Shopware: Stored XSS via SVG file upload — no SVG sanitization

Details

SVG files are in the allowed_extensions whitelist and can be uploaded by any admin user via the media manager. There is zero SVG content sanitization anywhere in the upload pipeline. A malicious SVG with JavaScript (onload, <script>, <foreignObject>) executes in the context of the Shopware domain when accessed.

The Problem

In src/Core/Framework/Resources/config/packages/shopware.yaml, line 194:

allowed_extensions: ["jpg", "jpeg", "png", "webp", "avif", "gif", "svg", ...]

SVG is whitelisted. The upload path (MediaUploadController → FileSaver → TypeDetector) recognizes SVG as ImageType with VECTOR_GRAPHIC flag, but no code strips JavaScript, event handlers, or external entity references from the SVG XML.

A search of the entire codebase for SVG sanitization returns — no DOMPurify, no svg-sanitize, no strip_tags on SVG content, nothing.

Impact

Stored XSS affecting all users who view the uploaded SVG. In an e-commerce context, this can lead to admin account takeover, customer data theft, or malicious plugin installation.

Suggested Fix

Either:

Remove SVG from allowed_extensions if SVG upload is not a core requirement
Sanitize SVG content on upload using a library like enshrined/svg-sanitize (strips scripts, event handlers, external references)
Serve SVGs with Content-Disposition: attachment to prevent inline rendering
Serve SVGs from a separate domain (like Nextcloud's usercontent.apps.nextcloud.com)

Option 2 is the most practical — enshrined/svg-sanitize is already used by WordPress and other PHP projects.

Regards & BG, Keyvan Hardani

Severity

4.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "shopware/core"
      },
      "ranges": [
        {
          "events": [
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        "name": "shopware/platform"
      },
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        "name": "shopware/platform"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.10.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-48015"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-04T19:35:26Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "SVG files are in the `allowed_extensions` whitelist and can be uploaded by any admin user via the media manager. There is zero SVG content sanitization anywhere in the upload pipeline. A malicious SVG with JavaScript (`onload`, `\u003cscript\u003e`, `\u003cforeignObject\u003e`) executes in the context of the Shopware domain when accessed.\n\n## The Problem\n\nIn `src/Core/Framework/Resources/config/packages/shopware.yaml`, line 194:\n\n```yaml\nallowed_extensions: [\"jpg\", \"jpeg\", \"png\", \"webp\", \"avif\", \"gif\", \"svg\", ...]\n```\n\nSVG is whitelisted. The upload path (`MediaUploadController` \u2192 `FileSaver` \u2192 `TypeDetector`) recognizes SVG as `ImageType` with `VECTOR_GRAPHIC` flag, but no code strips JavaScript, event handlers, or external entity references from the SVG XML.\n\nA search of the entire codebase for SVG sanitization returns \u2014 no `DOMPurify`, no `svg-sanitize`, no `strip_tags` on SVG content, nothing.\n\n## Impact\n\nStored XSS affecting all users who view the uploaded SVG. In an e-commerce context, this can lead to admin account takeover, customer data theft, or malicious plugin installation.\n\n## Suggested Fix\n\nEither:\n\n1. **Remove SVG from `allowed_extensions`** if SVG upload is not a core requirement\n2. **Sanitize SVG content** on upload using a library like `enshrined/svg-sanitize` (strips scripts, event handlers, external references)\n3. **Serve SVGs with `Content-Disposition: attachment`** to prevent inline rendering\n4. **Serve SVGs from a separate domain** (like Nextcloud\u0027s `usercontent.apps.nextcloud.com`)\n\nOption 2 is the most practical \u2014 `enshrined/svg-sanitize` is already used by WordPress and other PHP projects.\n\nRegards \u0026 BG,\nKeyvan Hardani",
  "id": "GHSA-xvhc-gm7j-mhmc",
  "modified": "2026-06-04T19:35:26Z",
  "published": "2026-06-04T19:35:26Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/shopware/shopware/security/advisories/GHSA-xvhc-gm7j-mhmc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/shopware/shopware"
    },
    {
      "type": "WEB",
      "url": "https://github.com/shopware/shopware/releases/tag/v6.6.10.18"
    },
    {
      "type": "WEB",
      "url": "https://github.com/shopware/shopware/releases/tag/v6.7.10.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Shopware: Stored XSS via SVG file upload \u2014 no SVG sanitization"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-48015 (GCVE-0-2026-48015)

FKIE_CVE-2026-48015

GHSA-XVHC-GM7J-MHMC

The Problem

Impact

Suggested Fix

Tags

Sightings

Nomenclature