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Unrestricted Upload of File with Dangerous Type

CVE-2025-55912

High
7.3/10

Summary

An issue in ClipBucket 5.5.0 and prior versions allows an unauthenticated attacker can exploit the plupload endpoint in photo_uploader.php to upload arbitrary files without any authentication, due to missing access controls in the upload handler

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • NONE
  • NONE
  • LOW
  • LOW

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.

References

Advisory Timeline

  • Published