The vCard functions in Joomla! 1.0.5 use predictable sequential IDs for vcards and do not restrict access to them, which allows remote attackers to obtain valid e-mail addresses to conduct spam attacks by modifying the contact_id parameter to index2.php.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Joomla | Joomla | 1.0.5 (including) | 1.0.5 (including) |