CVE-2023-22734
Improper Input Newsletter subscription option validation in shopware
Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper Input Newsletter subscription option validation in shopware
Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.
- Record
CVE-2023-22734- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-0327
Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.
- Record
EUVD-2023-0327- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-46h7-vj7x-fxg2
Shopware has Improper Input Validation issue in newsletter subscription
Impact
The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process.
Patches
The problem has been fixed with 6.4.18.1
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. Or disable the newsletter registration completely.
References
- Record
GHSA-46h7-vj7x-fxg2- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.
- Record
CVE-2023-22734- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Improper Input Newsletter subscription option validation in shopware
Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.
- Record
CVE-2023-22734- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVGHSA-46h7-vj7x-fxg2
Shopware has Improper Input Validation issue in newsletter subscription
Impact
The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process.
Patches
The problem has been fixed with 6.4.18.1
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. Or disable the newsletter registration completely.
References
- Record
GHSA-46h7-vj7x-fxg2- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
shopware/platformPackagist |
through 6.4.18.0 | 6.4.18.1 |
shopware/corePackagist |
through 6.4.18.0 | 6.4.18.1 |
shopware/platformPackagist |
before 6.4.18.1, plus listed versions 6.3.0.06.3.0.16.3.0.26.3.1.06.3.1.1 Show 45 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-RC16.4.1.06.4.1.16.4.1.26.4.10.06.4.10.16.4.11.06.4.11.16.4.12.06.4.13.06.4.14.06.4.15.06.4.15.16.4.15.26.4.16.06.4.16.16.4.17.06.4.17.16.4.17.26.4.18.06.4.2.06.4.2.16.4.3.06.4.3.16.4.4.06.4.4.16.4.5.06.4.5.16.4.6.06.4.6.16.4.7.06.4.8.06.4.8.1 |
6.4.18.1 |
shopware/corePackagist |
before 6.4.18.1, plus listed versions 6.3.0.06.3.0.16.3.0.26.3.1.06.3.1.1 Show 45 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-RC16.4.1.06.4.1.16.4.1.26.4.10.06.4.10.16.4.11.06.4.11.16.4.12.06.4.13.06.4.14.06.4.15.06.4.15.16.4.15.26.4.16.06.4.16.16.4.17.06.4.17.16.4.17.26.4.18.06.4.2.06.4.2.16.4.3.06.4.3.16.4.4.06.4.4.16.4.5.06.4.5.16.4.6.06.4.6.16.4.7.06.4.8.06.4.8.1 |
6.4.18.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-22734 is a medium vulnerability (CVSS 4.3) in Runzero Platform, published January 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in shopware/platform 6.4.18.1.
References
github.com/shopware/platform/security/advisories/GHSA-46h7-vj7x-fxg2
docs.shopware.com/en/shopware-6-en/security-updates/security-update-01-2023?category=security-updates
nvd.nist.gov/vuln/detail/CVE-2023-22734
Left out here: 38 versions. The JSON record has them.