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Unrestricted Upload of File with Dangerous Type


Severity High
Score 9.8/10


The package MCMS is affected by File Upload. The impact is, that it executes arbitrary code (remote). The component is: "net.mingsoft.basic.action.web.FileAction#upload". The attack vector is: "jspx webshell.MCMS" has a file upload vulnerability through which an attacker can upload a webshell. Successful attacks of this vulnerability can result in takeover of MCMS. This issue affects MCMS in versions prior to 5.2.6.

  • LOW
  • HIGH
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-434 - Unrestricted Upload of File with dangerous type

'Unrestricted file upload with dangerous type' attacks involve an attacker uploading or transferring files of dangerous types to the server. The severity of such an attack depends upon the execution mechanism and the storage location of the uploaded file. Thus, it may range from simple defacement to arbitrary file execution, and complete system takeover.

Advisory Timeline

  • Published