{"cve":"CVE-2023-34099","nvd":{"published":"2023-06-27T17:15:09.813","modified":"2026-06-17T06:02:53.577","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-754"],"references":["https://docs.shopware.com/en/shopware-5-en/security-updates/security-update-06-2023","https://github.com/shopware/shopware/security/advisories/GHSA-gh66-fp7j-98v5","https://github.com/shopware5/shopware/commit/39cc714d9a0be33b43877044d0b88ea3c6b43f3d","https://www.shopware.com/en/changelog-sw5/#5-7-18","https://docs.shopware.com/en/shopware-5-en/security-updates/security-update-06-2023"],"products":["shopware:shopware"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-34099","score":0.00649,"percentile":0.51124,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}