Unrestricted file upload vulnerability in the Project issue tracking 4.7.0 through 5.x before 20070123, a module for Drupal, allows remote authenticated users to execute arbitrary code by attaching a file with executable or multiple extensions to a project issue.

The project_issue_access function in the Project issue tracking 4.7.0 through 5.x before 20070123 module for Drupal allows remote authenticated users to bypass other access control modules and obtain attached files by guessing the filename, and obtain issue information via direct requests.