CVE-2021-37710
Cross-Site Scripting via SVG media files
Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a Cross-Site Scripting vulnerability via SVG media files. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Cross-Site Scripting via SVG media files
Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a Cross-Site Scripting vulnerability via SVG media files. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.
- Record
CVE-2021-37710- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-1698
Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a Cross-Site Scripting vulnerability via SVG media files. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.
- Record
EUVD-2021-1698- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fc38-mxwr-pfhx
Cross-Site Scripting via SVG media files
Impact
Cross-Site Scripting via SVG media files
Patches
We recommend updating to the current version 6.4.3.1. You can get the update to 6.4.3.1 regularly via the Auto-Updater or directly via the download overview.
https://www.shopware.com/en/download/#shopware-6
Workarounds
For older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.
- Record
GHSA-fc38-mxwr-pfhx- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a Cross-Site Scripting vulnerability via SVG media files. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.
- Record
CVE-2021-37710- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a Cross-Site Scripting vulnerability via SVG media files. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.
- Record
CVE-2021-37710- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-fc38-mxwr-pfhx
Cross-Site Scripting via SVG media files
Impact
Cross-Site Scripting via SVG media files
Patches
We recommend updating to the current version 6.4.3.1. You can get the update to 6.4.3.1 regularly via the Auto-Updater or directly via the download overview.
https://www.shopware.com/en/download/#shopware-6
Workarounds
For older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.
- Record
GHSA-fc38-mxwr-pfhx- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
shopware/corePackagist |
through 6.4.3.0 | 6.4.3.1 |
shopware/platformPackagist |
through 6.4.3.0 | 6.4.3.1 |
shopware/corePackagist |
before 6.4.3.1, plus listed versions 6.3.0.06.3.0.16.3.0.26.3.1.06.3.1.1 Show 36 moreShow less6.3.2.06.3.2.16.3.3.06.3.3.16.3.4.06.3.4.16.3.5.06.3.5.16.3.5.26.3.5.36.3.5.46.4.0.06.4.0.0-RC16.4.1.06.4.1.16.4.1.26.4.2.06.4.2.16.4.3.0v6.0.0+ea2v6.1.0v6.1.0-rc1v6.1.0-rc2v6.1.0-rc3v6.1.0-rc4v6.1.1v6.1.2v6.1.3v6.1.4v6.1.5v6.1.6v6.2.0v6.2.0-RC1v6.2.1v6.2.2v6.2.3 |
6.4.3.1 |
shopware/platformPackagist |
before 6.4.3.1, plus listed versions 6.3.0.06.3.0.16.3.0.26.3.1.06.3.1.1 Show 36 moreShow less6.3.2.06.3.2.16.3.3.06.3.3.16.3.4.06.3.4.16.3.5.06.3.5.16.3.5.26.3.5.36.3.5.46.4.0.06.4.0.0-RC16.4.1.06.4.1.16.4.1.26.4.2.06.4.2.16.4.3.0v6.0.0+ea2v6.1.0v6.1.0-rc1v6.1.0-rc2v6.1.0-rc3v6.1.0-rc4v6.1.1v6.1.2v6.1.3v6.1.4v6.1.5v6.1.6v6.2.0v6.2.0-RC1v6.2.1v6.2.2v6.2.3 |
6.4.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-37710 is a high vulnerability (CVSS 8.0) in Runzero Platform, published August 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. Fixed in shopware/core 6.4.3.1.