Update msglib.php

include/msglib.php

@@ -6,22 +6,22 @@ function msg_drop($message_id, $channel_id, $conv_guid) {
 
     // Delete message
     $r = q("DELETE FROM mail WHERE id = %d AND channel_id = %d",
-        $message_id,
-        $channel_id
+        intval($message_id),
+        intval($channel_id)
     );
 
     // Get new first message...
     $r = q("SELECT mid, parent_mid FROM mail WHERE conv_guid = '%s' AND channel_id = %d ORDER BY id ASC LIMIT 1",
-        $conv_guid,
-        $channel_id
+        dbesc($conv_guid),
+        intval($channel_id)
     );
     // ...and if wasn't first before...
     if ($r[0]['mid'] != $r[0]['parent_mid']) {
         // ...refer whole thread to it
         q("UPDATE mail SET parent_mid = '%s', mail_isreply = abs(mail_isreply - 1) WHERE conv_guid = '%s' AND channel_id = %d",
             dbesc($r[0]['mid']),
-            $conv_guid,
-            $channel_id
+            dbesc($conv_guid),
+            intval($channel_id)
         );
     }