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An issue was discovered in OPC cardsystems Webapp Aufwertung 2.1.0. The reference assigned to transactions can be reused. When completing a payment, the first or all transactions with the same reference are completed, depending on timing. This can be used to transfer more money onto employee cards than is paid.
Reserved 2025-03-16 | Published 2025-03-26 | Updated 2025-03-27 | Assigner mitrewww.syss.de/...arten-in-opcr-webapp-aufwertung-syss-2024-089
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