CVE-2023-22734
Shopware has Improper Input Validation issue in newsletter subscription
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
How to fix CVE-2023-22734
To remediate CVE-2023-22734, upgrade the affected package to a fixed version below.
- —upgrade to 6.4.18.1 or later
- —upgrade to 6.4.18.1 or later
Is CVE-2023-22734 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.4.18.1
- from 0, < 6.4.18.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |