Avoid “OR 1=1” in SQL Injections

AND 1=1 is usally used in blind SQL injections. This is when you have to determine between a true or false state from the result of the application.

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Trying to learn and understand SQL injection. Can anyone explain to me why ' or 1=1; -- - allowed me to bypass authentication and or 1=1 did not?

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The first of these values causes the query to return results, because the injected AND '1'='1 condition is true. · The second value causes the query to not ...

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We argue that “OR 1=1” presents more risks than rewards. It may work for login bypasses occasionally, but its reliability is questionable, and better ...

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The password is not 'anything', hence password=anything results in FALSE, but '1'='1' is a TRUE statement and hence returns a TRUE value.

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It's just an attempt to see if the code will error out. Two kinds of quotes just in case the other kind is not escaped.

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SQL Injection Based on 1=1 is Always True ... A hacker might get access to all the user names and passwords in a database, by simply inserting 105 OR 1=1 into the ...

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As 1=1 is always true, the query returns all items. Warning. Take care when injecting the condition OR 1=1 into a SQL query. Even if it appears to be harmless ...

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Since 1=1 always returns true, this query will return true and give us access. Note: The payload we used above is one of many authentication ...

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