Questions tagged [sql-injection]
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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PHP code for search page
Want to show you part of code that I wrote to process search request. User commit search by articles (codes) of products. The goal is to allow user write his search request to textarea element in any ...
2
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1answer
152 views
PHP code to insert phone number and IP address into a table if not already present
I am currently coding a PHP script that connects to a database and inserts a phone number and IP address if either item is not present in the table. I believe I have completed it and it is working but ...
2
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4answers
347 views
using $_POST array to prepare PDO statement with variables
I have been developing a little, private Blog Site to make notes/ stories of pen and paper rpg games available for me and my players.
This is my first project. As I am new to coding in PHP and MySQL ...
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2answers
89 views
2
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1answer
57 views
Showing all records on a webpage
I have a connection with my database to show all my records on a webpage, and I'm not sure if this code is safe:
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1answer
66 views
HTML file with a submit form
I have an HTML file that contains a submit form, which asks the users the fill in their personal info:
then it will post and store into the DB by method of PHP SQL:
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5
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1answer
313 views
PHP login script
I'm hoping someone would be able to identify if my code is prone to SQL injections, and just overall see if there is anything that could be done better.
This is also my first time using MySQLi ...
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0answers
413 views
Protection from SQL injection
I have this code, which is working correctly, but I am sure that it allows SQL injection attacks.
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1answer
712 views
Mysql flexible insert record with bind_param or bind_value
I want to insert rows in a database table with the precaution of SQL-injection. I'm using below flexible MySQL insert function, which enters a record in a given table. Is this the best approach or is ...
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1answer
156 views
PHP & MySQLi Login Script - Is it safe from Injection?
I've been geeking up on MySQLi prepared statements to avoid potential SQL injection and I have managed to modify my legacy code (previously just using mysqli_real_escape_string).
I am looking for ...
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2answers
103 views
User authentication SQL injection [closed]
Is this authentication mechanism vulnerable to SQL injection?
If so, how could one exploit it, and what is the most effective way to mitigate this?
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1answer
45 views
Checking whether a user is on the donors list
I was wondering if I could please get some justification if the PHP code I wrote using Mysqli prepared statements would be able to withstand SQL injection attacks.
I have one field that gets a value ...
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1answer
63 views
Link shortening script
I wrote this script for a link shortener just for fun.
Is it safe, or is it very easy to inject SQL have other security shortcomings? Also, do you have any tips against MySQL injection?
I don't know ...
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1answer
108 views
Prepared statements in PHP
I just heard of prepared statement in PHP and decided to prevent SQL injection with it and wrote a script testing it.
I would like to know what security threats this script can prevent, what security ...
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2answers
169 views
Email subscription queries for a PHP website
Is this code resistant against injection? I already used 'real-escape-string' but I don't know if this good enough. As you see I replaced my personal info. And the code does work. I'm building this ...
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1answer
93 views
Searching for topic categories using mysqli [closed]
Is this code safe from injection, xss and whole other attacks or no ?
The below code is for search box :
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3
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1answer
177 views
Registering users bank account and logging in securely
I wrote a php script to register a user's bank account and I've tried to make the login as secure as possible, but I wonder if there are any flaws and is it's free from xss attacks and sql injection ...
2
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3answers
2k views
Booking appointments with MySQLi and PHP
The following code books one appointment for one or more slots. I have never used database before, but have seen so many warnings regarding SQL injections. Since it has never affected me I have not ...
2
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1answer
2k views
Function for inserting data into database
I have this function to ease out the task of inserting data into databases.
I am not very sure if it is secure to use it this way.
Any suggestions on improving it?
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4answers
5k views
Inserting robot moves into an SQLite3 database
I'm just wondering if you would consider this to be safe from SQL injection.
A peculiarity of my program is I need to dynamically access table names depending on my scenario.
This is not for ...
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2answers
1k views
Inserting a record into MySQL with a timestamp
I'm starting with PHP so I can save data to a MySQL database. I read a lot and it seems the "escape" strings is not so safe.
This is my code:
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1answer
111 views
Inserting a record into a MySQL table using PDO
Already many days I'm documenting about the SQL Injection. I was wondering if the code I wrote is vulnerable in some of its parts.
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2answers
106 views
Security concern for SQL Injections/XSS
This question is everywhere, and I looked at many answers. A lot suggest using mysql_real_escape_string but that isn't an option, since it's depreciated now.
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2
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2answers
578 views
PHP Dynamic QueryBuilder function - Security
This function is a working function, which builds a number of queries depending on the values of $_POST.
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3
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1answer
77 views
Possibility of SQL Injection
I am requesting a review of a portion of a 600 lines of code. This portion of the code process a filter that is farther down the page. It takes in the parameters and formats them into a query. Now I ...
1
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1answer
195 views
Product inventory database
I just finished writing a program which working with a database. Throughout the process when working with people to get past some of the hurdles I faced I was ridiculed for my SQL statements. I have ...
3
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1answer
133 views
Stored procedure to query custom data tables as dynamic SQL
There's a lot going on here, but the background for why this is necessary is that there is a set schema, or 'core' set of tables that are prefixed with 'bu', and any core table can have a custom table ...
9
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3answers
1k views
Inserting OAuth data into a database
I am totally new to PHP. I just wrote a PHP script for google oauth to pull the data and insert into my database. I don't know if my code is vulnerable to SQL injection. Should I have used prepared ...
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1answer
103 views
Improving PHP Security of Login
One of my github issues is below. I am having some problems with my security, is there anything that I should or need to improve. Here is an example of code that I use, but throughout the script there ...
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2answers
141 views
Validating users with MySQL
One of my friends told me that my validate.php file has some problems with SQL injections. Please feel free to commit it on GitHub.
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2answers
94 views
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2answers
855 views
Increase view counter with each page view
My question is similar to before, but now the code has changed completely. I would like to understand if this code is vulnerable to mysql injection.
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2answers
82 views
Authentication check in index.php file
I am aware that this code is vulnerable for SQL injections, but I don't know how to avoid it.
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6
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1answer
266 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 ...
5
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1answer
244 views
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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3
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1answer
408 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 ...
2
votes
3answers
4k 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? ...
5
votes
1answer
679 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
85 views
Populate the database with new tweet data from the json_cache table
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 given....
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2answers
961 views
Preventing SQL injection by converting all characters to their ASCII values
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 the string ...
6
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2answers
9k views
PHP registration/login form
I'm fairly new to MySQLi and 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 mere amateur though.
I've created an ...
2
votes
1answer
461 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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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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2answers
213 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:
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3
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1answer
189 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 ...
5
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1answer
126 views
Updating an item's status in MS SQL Server using ODBC
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
2k 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
322 views
XSS vulnerability on website
I'm using these functions to filter all my input variables. I was quite confident it would protect my website from possible XSS and SQL injections, but there are still vulnerabilities.
Please suggest ...
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2answers
149 views
Does this code avoid SQL injection? [closed]
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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6
votes
1answer
124 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 ...
