A vulnerability classified as critical was found in SourceCodester Online Pizza Ordering System 1.0. This vulnerability affects unknown code of the file admin/ajax.php?action=login2 of the component Login Page. The manipulation of the argument email with the input abc%40qq.com' AND (SELECT 9110 FROM (SELECT(SLEEP(5)))XSlc) AND 'jFNl'='jFNl leads to sql injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-223300.