Unrestricted file upload vulnerability in the Files plugin in ProjectPier 0.88 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the tmp directory under the document root.

Unrestricted file upload vulnerability in the Files plugin in ProjectPier 0.88 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the tmp directory under the document root.