An attacker can use XSS to send a malicious script to an unsuspecting user.
Update to version 10.5.19 or apply this patch manually https://github.com/pimcore/pimcore/pull/14669.patch
Apply https://github.com/pimcore/pimcore/pull/14669.patch manually.
https://huntr.dev/bounties/fa77d780-9b23-404b-8c44-12108881d11a
pimcore/pimcore