Security Concerns
Since IRC scripts are used to interface with a public network, they are a favourable target for attack. Event handling code must be careful when dealing with input received from other IRC users; a poorly written IRC script may leave the user vulnerable, allowing attackers to possibly read the user's passwords or private conversations, execute arbitrary commands in the user's IRC client, or access files on the user's hard disk.
IRC Scripts downloaded from public web sites or received from other IRC users may contain backdoors or similar malicious commands. Some users prefer to write their own IRC scripts to avoid the potential problems caused by a malicious or buggy script.
Read more about this topic: Internet Relay Chat Script
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