How severe is GHSA-46h7-vj7x-fxg2?

GHSA-46h7-vj7x-fxg2 has a CVSS score of 4.3/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by GHSA-46h7-vj7x-fxg2?

GHSA-46h7-vj7x-fxg2 affects the following packages: shopware/platform (Packagist), shopware/core (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-46h7-vj7x-fxg2?

Update shopware/platform to 6.4.18.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-46h7-vj7x-fxg2 is resolved across your whole dependency graph.

How do I detect GHSA-46h7-vj7x-fxg2 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for shopware/platform, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-46h7-vj7x-fxg2 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is GHSA-46h7-vj7x-fxg2 actively exploited in the wild?

No public exploit code has been indexed for GHSA-46h7-vj7x-fxg2 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for GHSA-46h7-vj7x-fxg2?

GHSA-46h7-vj7x-fxg2 has an EPSS (Exploit Prediction Scoring System) score of 0.6%, placing it in the 50th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is GHSA-46h7-vj7x-fxg2?

GHSA-46h7-vj7x-fxg2 is classified as Improper Input Validation (CWE-20). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was GHSA-46h7-vj7x-fxg2 published, and has it been updated?

GHSA-46h7-vj7x-fxg2 was published on January 20, 2023 and was last updated on September 10, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

MEDIUM severity

Shopware has Improper Input Validation issue in newsletter subscriptionGHSA-46h7-vj7x-fxg2

MEDIUMFix: shopware/platform@f5a95ee

GHSA-46h7-vj7x-fxg2 is a medium-severity (CVSS 4.3) Improper Input Validation vulnerability in shopware/platform. A fix is available for shopware/platform — see the affected versions and patch details below.

Also known asCVE-2023-22734

Published

Jan 20, 2023

Updated

Sep 10, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-46h7-vj7x-fxg2.

EPSS Exploitation Probability

via FIRST.org ↗

0.6%probability of exploitation in next 30 days

Lower Risk+0.03%

Lower risk than most CVEs50th percentile — riskier than 50% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

🐘shopware/platform🐘shopware/core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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

https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-01-2023?category=security-updates

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`shopware/platform`	all versions	6.4.18.1`composer require shopware/platform:^6.4.18.1`
🐘Packagist	`shopware/core`	all versions	6.4.18.1`composer require shopware/core:^6.4.18.1`

Affected Products

1 product · 1 configurations

Application

shopwareshopware

< 6.4.18.1

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for shopware/platform, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update shopware/platform to 6.4.18.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-46h7-vj7x-fxg2 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### 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 https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-01-2023?category=security-updates