playSMS Template injection

A vulnerability was found in playSMS 1.4.3. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /index.php?app=main&inc=feature_firewall&op=firewall_list of the component Template Handler. The manipulation of the argument IP address with the input {{`id`} leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-270277 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.