Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, and 7970i devices before 073.xxx.086.15410 do not properly escape parameters in the support/remoteUI/configrui.php script, which can allow an unauthenticated attacker to execute OS commands on the device.