https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-30573.htmlhttps://patchthecve.com/cve/CVE-2026-30573.htmlWed, 17 Jun 2026 10:32:48 +0000HIGH 7.5: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is located in the add-sales.php file. The application fails to validate the "txtprice" and "txttotalcost" parameters, allowing attackers to submit negative values for sales transactions.https://patchthecve.com/cve/CVE-2026-30576.htmlhttps://patchthecve.com/cve/CVE-2026-30576.htmlWed, 17 Jun 2026 10:32:48 +0000HIGH 7.5: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtprice" and "txttotalcost" parameters during stock entry, allowing negative financial values to be submitted. This leads to corruption ofhttps://patchthecve.com/cve/CVE-2026-30575.htmlhttps://patchthecve.com/cve/CVE-2026-30575.htmlWed, 17 Jun 2026 10:32:48 +0000HIGH 7.5: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed. This causes the system to decrease the inventory level insthttps://patchthecve.com/cve/CVE-2026-30574.htmlhttps://patchthecve.com/cve/CVE-2026-30574.htmlWed, 17 Jun 2026 10:32:48 +0000HIGH 7.5: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php file. The application fails to verify if the requested sales quantity (txtqty) exceeds the available stock level. An attacker can manipulate the request to purchase a quantity that is