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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66 views

Recieving an XSS Injection: <script>alert('xssvuln');</script>

I would very much appreciate it if someone could review the php script below for any security risks. I have a live website using shared hosting. There's a page that accepts text submissions from users....
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3answers
140 views

Email Validation in PHP

Is this script sufficient enough to validate user email input? ...
3
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1answer
230 views

Sanitizing user form input in php

Security threats in mind: SQL Injections!!! --- Solutions: Prepared Statements (PDO) and including $bpdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false); in ...
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1answer
90 views

Does PDO::quote helps me to protect me against sql injection?

I have to process raw sql user input with Laravel. I've backed them up as follows: ...
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4answers
1k 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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1answer
96 views

Does this PDO process look protected from SQL injection?

Does this process look protected from SQL injection attacks? Is there something I could possibly change to make it more protected? ...
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1answer
196 views

Safe dynamic SQL for generic search

Prompted by discussion about SQL injection, I wanted to put a proof of concept forward to get feedback about whether this is in fact safe and protected against SQL injection or other malicious use. ...
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1answer
48 views

Displaying a user's uploaded posts

I'm working on prepared statements for my website and I'm wondering if it's possible to have multiple prepared statements one after another. In this example, I have 2 select statements. I'm hoping ...
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1answer
191 views

PHP MySQLi Prepared Statements: Can this select query be hacked/injected?

i want to know can this be hacked/injected? ...
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2answers
260 views

Database Model Security For Book Inventory

This code is one of the models developed for the Book Inventory application that is open for review. It is also based on a comment on this answer to a C# question. Based on the comment I did some ...
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1answer
78 views

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 ...
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1answer
749 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 ...
3
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4answers
2k 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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1answer
58 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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0answers
76 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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5answers
14k 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
64 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 ...
6
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1answer
615 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
484 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
253 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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1answer
2k 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
172 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
113 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
121 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
215 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
123 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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1answer
3k 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? ...
2
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1answer
202 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 ...
5
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1answer
127 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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1answer
134 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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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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3answers
3k 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 ...
5
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2answers
2k 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
88 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
110 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. ...
2
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2answers
1k views

PHP Dynamic QueryBuilder function - Security

This function is a working function, which builds a number of queries depending on the values of $_POST. ...
4
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1answer
81 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 ...
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1answer
160 views

Displaying subcategories of subcategories

I wanted to know if this code is safe against SQL injection or not? Also do I need to mysqli_close if I already did the ...
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1answer
215 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
143 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 ...
10
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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 ...
2
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1answer
434 views

Simultaneously searching listings by attributes such as category, title, postcode

Is the code below safe from SQL injection? ...
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2answers
142 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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1answer
106 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 ...
2
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2answers
97 views

Read and display data from MySQL table

Is there any security threat here? ...
3
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2answers
958 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. ...
6
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2answers
10k 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 ...
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2answers
344 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 ...