Sanitizing is the process of converting or removing potentially harmful strings from user input to a web application—strings that could cause processing errors or security vulnerabilities. It is an effective countermeasure against attacks such as SQL injection and cross-site scripting (XSS), with escaping special characters being the most common implementation method. It is often used in combination with input validation.

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• 2016h28h #64SQLインジェクションの対策などで用いられ，処理の誤動作を招かないように，利用者がWebサイトに入力した内容に含まれる有害な文字列を無害な文字列に置き換えること…