shell bypass 403
<softupgrade xmlns="http://www.softaculous.com">
<setuplocation>upgrade.php</setuplocation>
<settings>
<group>
<heading>hidden</heading>
<input type="hidden" name="dummy" value="">
</input>
</group>
</settings>
<files>
<exclude>GLOBALS.php</exclude>
<exclude>adm/GLOBALS.php</exclude>
<exclude>theme/default/help_index.php</exclude>
</files>
</softupgrade>