Program: 19035
Project: 19035
Buggy source:
private static ReturnStatus execute(Player player,ParsedCommand cmd){
  if (cmd.isRestricted())   return ReturnStatus.CMD_IGNORED;
  if (!playerCanAfford(player,cmd.getCosts()))   return ReturnStatus.CANT_AFFORD;
  chargePlayer(player,cmd.getCosts());
  if (cmd.getCommand() == null || cmd.getCommand().isEmpty())   return ReturnStatus.CMD_IGNORED;
  StringBuilder sb=new StringBuilder().append(cmd.getCommand()).append("String_Node_Str");
  for (  String a : cmd.getArgs()) {
    sb.append(a).append("String_Node_Str");
  }
  String elevatedUser=SMSConfig.getConfiguration().getString("String_Node_Str","String_Node_Str");
  FakePlayer fakePlayer=FakePlayer.fromPlayer(player,elevatedUser);
  if (cmd.isFakeuser()) {
    if (!PermissionsUtils.isAllowedTo(player,"String_Node_Str"))     return ReturnStatus.NO_PERMS;
    Debugger.getDebugger().debug("String_Node_Str" + sb.toString());
    String command=sb.toString().trim();
    if (command.startsWith("String_Node_Str")) {
      if (!Bukkit.getServer().dispatchCommand(fakePlayer,command.substring(1)))       return ReturnStatus.CMD_FAILED;
    }
 else {
      fakePlayer.chat(command);
    }
  }
 else   if (cmd.isElevated()) {
    if (!PermissionsUtils.isAllowedTo(player,"String_Node_Str"))     return ReturnStatus.NO_PERMS;
    Debugger.getDebugger().debug("String_Node_Str" + sb.toString());
    Set<String> opsSet=null;
    if (fakePlayer.isOp())     opsSet=PermissionsUtils.grantOpStatus(player);
    List<String> tempPerms=null;
    try {
      tempPerms=PermissionsUtils.elevate(player,elevatedUser);
      if (tempPerms == null && !player.isOp()) {
        MiscUtil.log(Level.WARNING,"String_Node_Str" + fakePlayer.getName() + "String_Node_Str"+ player.getName()+ "String_Node_Str"+ "String_Node_Str");
      }
      player.chat(sb.toString().trim());
    }
  finally {
      PermissionsUtils.deElevate(player,tempPerms);
      PermissionsUtils.revokeOpStatus(player,opsSet);
    }
  }
 else {
    Debugger.getDebugger().debug("String_Node_Str" + sb.toString());
    player.chat(sb.toString().trim());
  }
  return ReturnStatus.CMD_OK;
}

Fixed version (ground truth):
private static ReturnStatus execute(Player player,ParsedCommand cmd){
  if (cmd.isRestricted())   return ReturnStatus.CMD_RESTRICTED;
  if (!playerCanAfford(player,cmd.getCosts()))   return ReturnStatus.CANT_AFFORD;
  chargePlayer(player,cmd.getCosts());
  if (cmd.getCommand() == null || cmd.getCommand().isEmpty())   return cmd.getStatus();
  StringBuilder sb=new StringBuilder().append(cmd.getCommand()).append("String_Node_Str");
  for (  String a : cmd.getArgs()) {
    sb.append(a).append("String_Node_Str");
  }
  String command=sb.toString().trim();
  String elevatedUser=SMSConfig.getConfiguration().getString("String_Node_Str","String_Node_Str");
  FakePlayer fakePlayer=FakePlayer.fromPlayer(player,elevatedUser);
  if (cmd.isWhisper()) {
    MiscUtil.alertMessage(fakePlayer,command);
  }
 else   if (cmd.isFakeuser()) {
    if (!PermissionsUtils.isAllowedTo(player,"String_Node_Str"))     return ReturnStatus.NO_PERMS;
    Debugger.getDebugger().debug("String_Node_Str" + command);
    if (command.startsWith("String_Node_Str")) {
      if (!Bukkit.getServer().dispatchCommand(fakePlayer,command.substring(1)))       return ReturnStatus.CMD_FAILED;
    }
 else {
      fakePlayer.chat(command);
    }
  }
 else   if (cmd.isElevated()) {
    if (!PermissionsUtils.isAllowedTo(player,"String_Node_Str"))     return ReturnStatus.NO_PERMS;
    Debugger.getDebugger().debug("String_Node_Str" + sb.toString());
    Set<String> opsSet=null;
    if (fakePlayer.isOp())     opsSet=PermissionsUtils.grantOpStatus(player);
    List<String> tempPerms=null;
    try {
      tempPerms=PermissionsUtils.elevate(player,elevatedUser);
      if (tempPerms == null && !player.isOp()) {
        MiscUtil.log(Level.WARNING,"String_Node_Str" + fakePlayer.getName() + "String_Node_Str"+ player.getName()+ "String_Node_Str"+ "String_Node_Str");
      }
      player.chat(sb.toString().trim());
    }
  finally {
      PermissionsUtils.deElevate(player,tempPerms);
      PermissionsUtils.revokeOpStatus(player,opsSet);
    }
  }
 else {
    Debugger.getDebugger().debug("String_Node_Str" + sb.toString());
    player.chat(sb.toString().trim());
  }
  return cmd.getStatus();
}