Guest Book Security

[EvilAsh]

A customer has asked me to add a simple guest book to their site.

This is straightforward enough but I read somewhere that the more unscrupulous might add coded entries in the message box causing a site to crash ?!?!?

Is this an old wives tale or is there a security aspect I should consider here?

thanks.

 

[sleipnir214]

It is indeed possible that, depending on how you code the app, it could be vulnerable to SQL-injection or other security problems.

Have you taken a look at Section IV of the PHP online manual, titled "Security"? (link)



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