The Filemanager in CMS Made Simple 2.2.13 allows remote code execution via a .php.jpegd JPEG file, as demonstrated by m1_files[] to admin/moduleinterface.php. The file should be sent as application/octet-stream and contain PHP code (it need not be a valid JPEG file).
| Software | From | Fixed in |
|---|---|---|
| cmsmadesimple / cms_made_simple | 2.2.13 | 2.2.13.x |