| Name | Lines of code | Maintainability | Test coverage |
| plugins/rmbulletin.php | 62 | B 4 hrs | |
| plugins/simplenewsletter.php | 56 | B 4 hrs | |
| plugins/smartpartner.php | 67 | F 3 days | |
| plugins/subscribers.php | 67 | F 3 days | |
| plugins/weblinks.php | 66 | A 3 hrs | |
| plugins/xoopsuser.php | 103 | B 5 hrs | |
| preloads/autoloader.php | 14 | ||
| preloads/core.php | 9 | ||
| print.php | 200 | C 1 day | |
| protocol.php | 49 | ||
| sendletter.php | 53 | ||
| subscription.php | 857 | D 2 days | |
| xoops_version.php | 410 | B 5 hrs |