SQL Injection
PHP Injection
XSS (Cross site scripting)
CSRF (Cross site request forgery)
RFI (Remote file inclusion)
LFI (Local file inclusion)
Dangerous methods:
     CONNECT
     OPTIONS
     PATCH
     PROPFIND
     PROPPATCH
     MKCOL
     LOCK
     UNLOCK
     HEAD
     TRACE
     TRACK
     PUT
     DELETE
     COPY
     MOVE
Proxy Surfers
Bot Entries
Exploits Entries
Cookies Injection
Upload unpermitted files