The BOTCHA Spam Prevention module 7.x-1.x before 7.x-1.6 7.x-2.x before 7.x-2.1 and 7.x-3.x before 7.x-3.3 for Drupal when the debugging level is set to 5 or 6 logs the content of submitted forms which allows context-dependent users to obtain sensitive information such as usernames and passwords by reading the log file.