diff --git a/plugins/login-external-sso/index.php b/plugins/login-external-sso/index.php
index a3264cc13..f3a215b04 100644
--- a/plugins/login-external-sso/index.php
+++ b/plugins/login-external-sso/index.php
@@ -23,11 +23,11 @@ class LoginExternalSsoPlugin extends \RainLoop\Plugins\AbstractPlugin
 		$oActions = \RainLoop\Api::Actions();
 		$oActions->Http()->ServerNoCache();
 		$sKey = $this->Config()->Get('plugin', 'key', '');
-		$sEmail = $_POST['Email'];
-		$sPassword = $_POST['Password'];
-		if ($sEmail && $sPassword && $sKey && $_POST['SsoKey'] == $sKey) {
+		$sEmail = isset($_POST['Email']) ? $_POST['Email'] : '';
+		$sPassword = isset($_POST['Password']) ? $_POST['Password'] : '';
+		if ($sEmail && $sPassword && $sKey && isset($_POST['SsoKey']) && $_POST['SsoKey'] == $sKey) {
 			$sResult = \RainLoop\Api::CreateUserSsoHash($sEmail, $sPassword);
-			if ('json' === \strtolower($_POST['Output'] ?? '')) {
+			if (isset($_POST['Output']) && 'json' === \strtolower($_POST['Output'])) {
 				\header('Content-Type: application/json; charset=utf-8');
 				echo \json_encode(array(
 					'Action' => 'ExternalSso',
diff --git a/plugins/login-external/index.php b/plugins/login-external/index.php
index 5d00d771b..5a9d2ae59 100644
--- a/plugins/login-external/index.php
+++ b/plugins/login-external/index.php
@@ -26,8 +26,8 @@ class LoginExternalPlugin extends \RainLoop\Plugins\AbstractPlugin
 		$oAccount = null;
 		$oException = null;
 
-		$sEmail = \trim($_POST['Email']);
-		$sPassword = $_POST['Password'];
+		$sEmail = isset($_POST['Email']) ? $_POST['Email'] : '';
+		$sPassword = isset($_POST['Password']) ? $_POST['Password'] : '';
 
 		try
 		{
@@ -44,7 +44,7 @@ class LoginExternalPlugin extends \RainLoop\Plugins\AbstractPlugin
 			$oLogger && $oLogger->WriteException($oException);
 		}
 
-		if ('json' === \strtolower($_POST['Output'] ?? '')) {
+		if (isset($_POST['Output']) && 'json' === \strtolower($_POST['Output'])) {
 			\header('Content-Type: application/json; charset=utf-8');
 			$aResult = array(
 				'Action' => 'ExternalLogin',