CmsEasy language_admin.php getslide_child_action sql injection

A vulnerability was found in CmsEasy up to 7.7.7. It has been declared as critical. Affected by this vulnerability is the function getslide_child_action in the library lib/admin/language_admin.php. The manipulation of the argument sid leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-250693 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.