From 91c9b0446cdc78ae00be3977ee358e790e5fa0d6 Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Mon, 8 Nov 2021 13:43:18 +0100
Subject: [PATCH] Don't export password attribute when it's empty (it's
 invalid)(#3705)

---
 src/ejabberd_piefxis.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ejabberd_piefxis.erl b/src/ejabberd_piefxis.erl
index c748e9b2f..add52770d 100644
--- a/src/ejabberd_piefxis.erl
+++ b/src/ejabberd_piefxis.erl
@@ -166,6 +166,7 @@ export_user(User, Server, Fd) ->
     LServer = jid:nameprep(Server),
     {PassPlain, PassScram} = case ejabberd_auth:password_format(LServer) of
 	       scram -> {[], [format_scram_password(Password)]};
+	       _ when Password == <<"">> -> {[], []};
 	       _ -> {[{<<"password">>, Password}], []}
 	   end,
     Els =