Shopware before 5.5.8 has XSS via the Query String to the backend/Login or backend/Login/load/ URI. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
XSS
Shopware
NVD
CVSS 3.0
6.1
EPSS
2.7%