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What happens if you have a PHP website hacked?
Phishing pages appear on your PHP site which tries to trick users into entering sensitive info. Users click on certain links on your site and end up on another domain. Which is most likely caused due to a misconfiguration or PHP website redirect hack. Adblockers label and block certain elements of your site for cryptocurrency mining.
What does code injection do to a PHP server?
Code Injection/Execution. In the case of PHP code injection attacks, an attacker takes advantage of a script that contains system functions/calls to read or execute malicious code on a remote server. This is synonymous to having a backdoor shell and under certain circumstances can also enable privilege escalation.
Which is the secure code sample in PHP?
Secure Code Sample. There are two functions that you can use in PHP applications and that can help harden command line calls such as exec(), shell_exec(), passthru(), and system(): escapeshellcmd() and escapeshellarg(). The escapeshellcmd() function escapes any characters in a string that might be used to execute arbitrary commands.
How to include a file in a PHP script?
In the following example, the script passes an unvalidated/unsanitized HTTP request value directly to the include () PHP function. This means that the script will try to include whatever path/filename is passed as a parameter: For example, if you pass /etc/passwd as the argument, this file is readable for all users.
Where can I find help for my PHP site?
Troubled users can be found looking for help on the online forums and reading articles like this one. Here are a few such examples. Phishing pages appear on your PHP site which tries to trick users into entering sensitive info. Users click on certain links on your site and end up on another domain.
What causes SQL injection in a PHP website?
SQL injection in PHP is primarily caused due to lack of unsanitized user input. Due to poor coding standards, the unsanitized input reached directly to the database server and gets executed. Some main causes of SQLi in custom PHP pages are: Lack of filtering for space characters. Using the quotation marks to delimit strings.