Shopware is an open source e-commerce software. In versions from 5.7.0 a persistent cross site scripting (XSS) vulnerability exists in the customer module. Users are recommend to update to the current version 5.7.14. You can get the update to 5.7.14 regularly via the Auto-Updater or directly via the download overview. There are no known workarounds for this issue.
https://github.com/shopware/shopware/security/advisories/GHSA-5834-xv5q-cgfw
https://github.com/shopware/shopware/commit/7875855005648fba7b39371a70816afae2e07daf
https://docs.shopware.com/en/shopware-5-en/security-updates/security-update-07-2022