What security issue will be the consequence of this ? If any, how to solve the issues ?

You can avoid them by avoiding the shell and using these

Math::Calc::Units - Human-readable unit-aware calculator

Physics::Unit - Manipulate physics units and dimensions

In reply to Re: Security issue and solution for terminal command accessed by public user by Anonymous Monk
in thread Security issue and solution for terminal command accessed by public user by keenlearner

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