A vulnerability has been found in wander-chu SpringBoot-Blog 1.0 and classified as critical. This vulnerability affects the function upload of the file src/main/java/com/my/blog/website/controller/admin/AttachtController.java of the component Admin Attachment Handler. The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.