A vulnerability has been found in SourceCodester Library Management System 1.0 and classified as critical. This vulnerability affects unknown code of the file lab.php. The manipulation of the argument Section with the input 1′ UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,CONCAT(0x71716b7171,0x546e4444736b7743575a666d4873746a6450616261527a67627944426946507245664143694c6a4c,0x7162706b71),NULL,NULL,NULL,NULL# leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.