It came to my attention that numerous reports have been spreading around the Web about a SQL injection vulnerability in GBook from PHPjunkyard, such as
The funny part is - GBook doesn't use a SQL database at all so SQL injection vulnerabilities are not even remotely possible. Looks like the script kiddie who calls himself "Bgh7" has been drunk while testing this...##PHP junkyard Guestbook v1.6 (mes_id) Sql Injection Vuln.
##Yazar: Bgh7
##
##Turk Bilisim Gucleri / Ihlilal Hatti
##
##ByBgh7[a]Msn.Com
##
##Bgh7.Blogspot.Com
##
##Bug: Sql Injection
##
##İndir/Download: http://www.phpjunkyard.com/php-guestbook-script.php
##
##Not: $20.00 USD
Sql: site/guestbook.php?mes_id=-99999 UNION SELECT
0,1,2,concat_ws(user,0x3a,pass,0x3a,mail),4,5,6,7,8,9,10,11,12 FROM
jyuser--
Anyway, just thought I'd let you all know before someone gets a panic attack.