Path traversal attack is possible and write outside of the intended directory and may access sensitive information. If a file name is specified that already exists on the file system, then the original file will be overwritten.
It is possible to perform a path traversal attack and write outside of the intended directory. If a file name is specified that already exists on the file system, then the original file will be overwritten.
Privileges are not fully verified server-side, which can be abused by a user with limited privileges to bypass authorization and access privileged functionality.