A vulnerability was found in SourceCodester Library Management System 1.0 and classified as critical. This issue affects some unknown processing of the file /index.php. The manipulation of the argument RollNo with the input admin' AND (SELECT 2625 FROM (SELECT(SLEEP(5)))MdIL) AND 'KXmq'='KXmq&Password=1231312312 leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.