From b6667e6174218b89ea9d532e22ca31f9f97e6feb Mon Sep 17 00:00:00 2001
From: Furqan Saeed <sfurqan1999@gmail.com>
Date: Sun, 2 Apr 2023 20:21:14 +0500
Subject: [PATCH] Fix #18210 - Add replica replication user on MariaDB doesn't
 work

Signed-off-by: Furqan Saeed <sfurqan1999@gmail.com>
---
 libraries/classes/Server/Privileges.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/classes/Server/Privileges.php b/libraries/classes/Server/Privileges.php
index ca55811bf6..7d1c9f3820 100644
--- a/libraries/classes/Server/Privileges.php
+++ b/libraries/classes/Server/Privileges.php
@@ -3523,7 +3523,7 @@ class Privileges
 
             // MariaDB uses 'USING' whereas MySQL uses 'AS'
             // but MariaDB with validation plugin needs cleartext password
-            if (Compatibility::isMariaDb() && ! $isMariaDBPwdPluginActive) {
+            if (Compatibility::isMariaDb() && ! $isMariaDBPwdPluginActive && isset($_POST['authentication_plugin'])) {
                 $createUserStmt .= ' USING \'%s\'';
             } elseif (Compatibility::isMariaDb()) {
                 $createUserStmt .= ' IDENTIFIED BY \'%s\'';