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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Validating user supplied input

I was assigned a task to fix the SQL injection flaw reported by a code analysis tool. I am not the original author of the code. I am fairly knowledgeable with SQL. ...
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2answers
340 views

Confirming safety of SQL injection

I believe with everyone's help on Stack Overflow, I got my code safe guarded from SQL injection. I'm trying to confirm that is correct, just in case I misinterpreted the help and advice I received. ...
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1answer
130 views

mysql_safe_query()

I have been thinking of a sql-injection free implementation in dynamic languages. Here's what I came with. All the code was written just for fun and learning purposes. I would like to share it and ...
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2answers
2k views

User registration and login

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 ...
6
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2answers
3k views

Prepared Statements / MySQLi / PHP Registration/Login Form

I'm just looking for some feedback here. I'm fairly new to MySQLi & PHP, but I've been working at it for a bit now, and reading up on how to make secure login forms, avoid SQL injection etc. I'm a ...
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1answer
89 views

Calling a MySQL procedure with an arbitrary parameter on a GoDaddy website

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
115 views

Secure login system

The assignment is to create a login system secured for SQL injections and XSS. It's in PHP and I'm using PDO with prepared statements obviously. Which from my point of view should protect against the ...
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3answers
406 views

A very secure procedural MySQLI login script against injections

I know there are other ways to create a login script like Object Oriented, Prepared Statements and PDO, but how about those old MySQL PHP users like me trying to change from old style to the new ways? ...
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4answers
4k views

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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1answer
121 views

For a login portal, what security measures are needed to prevent unauthorized access?

I'm designing a login portal that has one angularjs page that displays/processes data queried from a database. I'm relying on a few php pages (a loginpage.php [verifies credentials/loads session ...
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1answer
40 views

How do i add prepared statements to this php code?

I'm really a newbie with code, and I wish to prepare all my statements to avoid SQL injection. I have searched a lot on the internet, but this wrapper/API doesn't look anything like the examples ...
7
votes
2answers
749 views

Preventing SQL injection by converting all characters to their ASCII values

Scenario In order to prevent SQL injection, I'm converting every character of a string to be inserted in the database into its ASCII value before performing the query; in order to read the value of ...
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2answers
1k views

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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1answer
161 views

Securing a form with image uploads

I am using PDO prepared statements to store user entered input and store that input to the database. The code will store a text input and 5 uploaded images. Will this code protect from data SQL ...
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6answers
1k views

Using OLEDB to connect to a MS Access 2007 file

I am working on a program which use OLEDB to connect to a MS Access 2007 file. My program has a possibility to add and delete records from file by using SQL statements which select deleted item by ID. ...
4
votes
4answers
295 views

Adding entries to an MS Access file using OleDB

In the following piece of code I am adding entries to an MS Access file using OleDB. The purpose of this post is to point out my bad programming practices and if I have created any security flaws ...
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2answers
74 views

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: ...
5
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1answer
116 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
135 views

XSS Vulnerability on website

I'm using these functions to filter my all input variables. ...
6
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2answers
819 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
107 views

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. ...
6
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1answer
91 views

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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2answers
136 views

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?: ...
5
votes
3answers
338 views

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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2answers
635 views

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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2answers
147 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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2answers
547 views

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. ...
4
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2answers
166 views

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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2answers
74 views

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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1answer
200 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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4answers
770 views

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? ...
3
votes
1answer
555 views

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 ...
4
votes
1answer
1k views

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 ...