SQL injection is a code injection technique, used to attack data driven applications, in which malicious SQL statements are inserted into an entry field for execution.

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SQL - Dynamic, avoiding SQL Injection [closed]

Aim: Dynamic SQL based on user input Use: User search boxes to get a result Query/Review Question: Does the below leave the code exposed to SQL Injection attacks? ...
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Possible SQL injection vulnerability searching for a product by ID?

I want to be sure that this isn't vulnerable to SQL injection. If yes, then how can it be improved? ...
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Inserting e-mail subscribers into MySQL

I'm new to Python and I am learning database connections from here. This is the code I am using to insert e-mail subscribers into a table: ...
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Checking if my code is secure

I'm deploying a PHP project, and I always try to use prepared statements, but unfortunately, GoDaddy does not have the mod mysqlnd which I use it for the function ...
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1answer
110 views

Is this query really vulnerable?

Is the following query is vulnerable in terms of $itemstatus? I want to be sure about it. $yesorno is a user input which is ...
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2answers
286 views

Converting multiple query to use parameters to avoid SQL injection

I have some dropdownlist in my aspx page and I am using the choices from them in my SQL query: ...
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2answers
50 views

XSS Vulnerability on website

I'm using these functions to filter my all input variables. ...
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Does this code avoid SQL injection?

I have the following PHP code but I'm unsure, based on the many things I've read, whether or not this is actually safe from an SQL injection attack. ...
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Secure way to store passwords

Here I'm trying to develop a simple framework for my own purpose. I'm using PHP and PDO. But, I'm still worried about my password security codes. Below I have posted my codes. it stored like these in ...
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4answers
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Inserting 1 line into my SQL database

This is for adding code into my table really easily, however it will be called 2000+ times per second, so I need to know if this is the most efficient code to add a row to the database. ...
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3answers
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Regex to validate font names

/((([\w -]+)|("[\w -]+"))( *, *)?)+/ http://refiddle.com/18ql I'm trying to use a PHP regex to sanitize a user input for a list of fonts. The above one seems to ...
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SQL injection safety check

I was wondering if my code is safe for sql injection. This code just checks if the username exists in my db or not. ...
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758 views

Protect database from SQL Injection and similar attacks - PHP

I am doubtful about the security of my PHP code. I am new to programming, but want to learn how to secure things, protect my databases from SQL injection, and other best practices. I'd like to know if ...
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POST security with PDO?

So I have some code that works as PDO. But is it secure? I'm trying to prevent SQL injection. This is my first PDO script and was hoping to see if it was done correctly. Here it is. ...
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Injections and query

I made a class that connects to my DB and inserts some values. Is it secure or how can I protect this further from injections? The object declaration will come from variables with POST from a form, ...
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SQL Injection when not using variables

Do I still need to protect my code against SQL injection when I'm not using variables in SQL queries? Is this code still vulnerable?: ...
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Where to protect DB data against XSS injections?

To protect my web site against XSS injection, I am using OWASP Encoding Project. Is it a good idea to protect all data retrieved in my DB to avoid XSS by going throuh all the data just returned by ...
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2answers
119 views

How is my injection protection?

What do I need to do to prevent injections? In addition, if I have any statement/parameter errors, please tell me. ...
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1answer
139 views

How safe is my MySQL query?

I am using PDO for the first time in my project. In my previous project someone suggested me to use PDO as my queries were wide open to inject. I am pasting a sample code of my project. Can you ...
10
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Is this function vulnerable to SQL injection?

I've this function to list products from database by category. I'm using prepared statements but wouldn't this make it pretty pointless to use them? ...
8
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Creating ADODB Parameters on the fly

I have put together a small wrapper class to simplify creating parameterized ADODB queries with VB6/VBA. At this point I'm keeping things simple, so it's only supporting input parameters and from what ...
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Making VBA generated dynamic SQL statements safe against injection

I need to use SQL extensively in VBA macros that I write. Since the DB is from our enterprise application, I use vendor's library for this. I generate dynamic queries, sometimes with many ...
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Using POST data to call a function from a specified class

I've inherited a class in a project which is purposed to execute a function that exists in POST data from a specified class. I've tried to clean this up as much as possible as well as secure it ...