CVE-2023-34099: Shopware

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Shopware is an open source e-commerce software. The mail validation in the registration process had some flaws, so it was possible to construct different mail addresses, that in the end result in the same address, which is shared by multiple accounts. This issue has been addressed in version 5.7.18 and users are advised to update. There are no known workarounds for this vulnerability.

Affected products

• Shopware Shopware: from 5.1.4, up to and including 5.7.17

Published 2023-06-27. Last modified 2026-06-17.