Bjskzy Zhiyou ERP com.artery.richclient.RichClientService openForm xml external entity reference

A vulnerability was identified in Bjskzy Zhiyou ERP up to 11.0. Affected by this vulnerability is the function openForm of the component com.artery.richclient.RichClientService. Such manipulation of the argument contentString leads to xml external entity reference. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.