diff --git src/wp-login.php src/wp-login.php
index ed3878c..7832e2e 100644
--- src/wp-login.php
+++ src/wp-login.php
@@ -286,7 +286,7 @@ function retrieve_password() {
 	if ( empty( $_POST['user_login'] ) ) {
 		$errors->add('empty_username', __('<strong>ERROR</strong>: Enter a username or email address.'));
 	} elseif ( strpos( $_POST['user_login'], '@' ) ) {
-		$user_data = get_user_by( 'email', trim( $_POST['user_login'] ) );
+		$user_data = get_user_by( 'email', trim( wp_unslash( $_POST['user_login'] ) ) );
 		if ( empty( $user_data ) )
 			$errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.'));
 	} else {