![]() Means that you will have to maintain the list of "known bad"Ĭharacters and patterns forever, and you will by definition haveĪlso, character encoding and OS makes this a problem too. Of possible bad data is potentially infinite. This is a dangerous strategy, because the set ![]() Essentially, if you don'tĮxpect to see characters such as %3f or JavaScript or similar, reject This strategy, also known as "negative" or "blacklist" validation is a ![]() Any code scanning tool you use here will continue to report the vulnerability. This can only protect you against known threats.
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