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Unrestricted Upload of File with Dangerous Type

CVE-2022-27140

Severity High
Score 9.8/10

Summary

** DISPUTED ** An arbitrary file upload vulnerability in the file upload module of express-fileupload allows attackers to execute arbitrary code via a crafted PHP file.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • 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