erikzimmermann / TradeSystem

A highly customizable, free and open-source Minecraft plugin for trading between players.

Home Page:https://www.spigotmc.org/resources/trade-system-custom-layouts.58434/

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[DUPE] clone item trade

eskabal opened this issue · comments

found a critical bug in the plugin that allows item duplication during player trades. This issue occurs when a player is engaged in a trade and decides to throw out an item while the trade is ongoing.

Under normal circumstances, items discarded during a trade should not be duplicated. However, I've observed that this particular plugin has a vulnerability that enables the duplication of items. When a player attempts to discard an item during an ongoing trade, it unintentionally triggers the duplication, resulting in an incorrect quantity of the respective item in the game's economy.

Can you send a video?