I friend did a simple security risk test and 6 high-severity vulnerabilities were discovered. What can be done about the vulnerabilities?

which are those " 6 high-severity vulnerabilities " discovered

how do you do a test like this ?

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I first want to thank the php gurus out there and jcow owners to put the site together. I think it's great.

There are software available but they generally cost a lot.
One vulnerability probably was SQL injection but I don't know if it's a Server problem or a site coding problem.
[url]http://sectools.org/web-scanners.html[/url] or do a search for website security scanners.

double clicked

sql injunction is possible in jcow software i did know that

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this very important. please we need oficial version about ¡