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Concrete5 up to and including 8.5.2 allows Unrestricted Upload of File with Dangerous Type such as a .php file via File Manager. It is possible to modify site configuration to upload the PHP file and execute arbitrary commands.

Reference Links(if available):

  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:S/C:C/I:C/A:C

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

    Links to Exploits(if available)

  • Available for Amazon Prime