Impact

This vulnerability has the potential to steal a user's cookie and gain unauthorized access to that user's account through the stolen cookie or redirect users to other malicious sites.

Patches

Update to version 10.5.20 or apply this patch manually https://github.com/pimcore/pimcore/pull/14721.patch

Workarounds

Apply https://github.com/pimcore/pimcore/pull/14721.patch manually.

References

https://huntr.dev/bounties/64f943c4-68e5-4ef8-82f6-9c4abe928256/