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.