The vulnerability of the onSubmit() method of the Horde_Form_Type_image class (Horde/Form/Type.php) in the php-horde-form functionality allows a attacker to compromise data integrity, gain access to confidential data, and cause service interruptions.

The vulnerability of the onSubmit method in the HordeFormTypeimage class Horde/Form/Type.php of the php-horde-form functionality package is related to incorrect elimination of special characters in the POST parameter. This can lead to incorrect restrictions on the path to a restricted directory...