CVE-2026-111647

PickMall lilishop through 5.0.0 contains an insecure direct object reference vulnerability that allows authenticated buyers to read other buyers' invoice records because ReceiptServiceImpl.getDetail performs no ownership check. Attackers can supply another buyer's receipt id to GET /buyer/trade/receipt/{id} to obtain invoice titles, taxpayer identification numbers, order numbers, member ids and member names.

An authenticated buyer can access other buyers' invoice data, leading to a breach of personal and financial data confidentiality. The organization may face legal consequences and loss of customer trust.

Update lilishop to a version newer than 5.0.0 if available, or add ownership checks in ReceiptServiceImpl.getDetail. Restrict access to the /buyer/trade/receipt/{id} endpoint and monitor for unusual requests.