我有一个登录表单，为了测试，我尝试填写“从用户名=测试的帐户中选择*”，然后按Enter键以查看会发生什么。我被重定向到此页面：

我应该担心SQL注入吗？还是这是正常的反应？

编辑：此特定情况的PHP代码。

    $sql = "SELECT * FROM accounts WHERE Useremail=?";
    $stmt = mysqli_stmt_init($conn);
    if(!mysqli_stmt_prepare($stmt,$sql))
    {
        echo "There was an error whilst trying to connect to the database. Please re-submit your password reset request.";
        exit();
    }
    else
    {
        mysqli_stmt_bind_param($stmt,"s",$userEmail);
        mysqli_stmt_execute($stmt);
        $result = mysqli_stmt_get_result($stmt);
        if (!$row = mysqli_fetch_assoc($result))
        {
            header("Location: /reset-password.php?reset=fail");
            exit();
        }
    }