A vulnerability was found in Shenzhen HCC Technology MPOS M6 PLUS 1.31-N. Affected by this vulnerability is an unknown functionality of the component Display QR Code Rendering. Performing a manipulation of the argument alignment results in improper restriction of rendered ui layers. The attack can only be performed from the local network. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.