A vulnerability classified as critical has been found in SourceCodester Alphaware Simple E-Commerce System 1.0. This affects an unknown part of the file admin/admin_index.php. The manipulation of the argument username/password with the input admin' AND (SELECT 8062 FROM (SELECT(SLEEP(5)))meUD)-- hLiX leads to sql injection. The CWE definition for the vulnerability is CWE-89. The weakness was disclosed 03/20/2023. This vulnerability is uniquely identified as CVE-2023-1503. It is possible to initiate the attack remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The pricing for an exploit might be around USD $0-$5k at the moment. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $0-$5k. A possible mitigation has been published even before and not after the disclosure of the vulnerability.