Unverified Password Change in GitHub repository pimcore/admin-ui-classic-bundle prior to 1.2.0.
https://huntr.com/bounties/b031199d-192a-46e5-8c02-f7284ad74021
https://github.com/pimcore/admin-ui-classic-bundle/commit/498ac77e54541177be27b0c710e387c47b3836ea