CMS Made Simple (CMSMS) through 2.2.6 allows PHP object injection because of an unserialize call in the _get_data function of \lib\classes\internal\class.LoginOperations.php. By sending a crafted cookie, a remote attacker can upload and execute code, or delete files.
| Software | From | Fixed in |
|---|---|---|
| cmsmadesimple / cms_made_simple | - | 2.2.6.x |