shell bypass 403
<softupgrade xmlns="http://www.softaculous.com">
<settings>
<group>
<heading>hidden</heading>
<input type="hidden" name="dummy" value="">
</input>
</group>
</settings>
<setuplocation>admin</setuplocation>
<files>
<exclude>Settings.php</exclude>
<exclude>Settings_bak.php</exclude>
<exclude>install.php</exclude>
</files>
<auto_upgrade>1</auto_upgrade>
</softupgrade>