inxedu through 2018-12-24 has a vulnerability that can lead to the upload of a malicious JSP file. The vulnerable code location is com.inxedu.os.common.controller.VideoUploadController#gok4 (com/inxedu/os/common/controller/VideoUploadController.java). The attacker uses the /video/uploadvideo fileType parameter to change the list of acceptable extensions from jpg,gif,png,jpeg to jpg,gif,png,jsp,jpeg.