Sanitize data and prevent SQL injections in php Posted by Warith Al Maawali on Jun 7, 2013 in Blog, Source-Codes 4 comments The reason for adding this blog is sometimes when I code in php I normally forget that data has to be sanitized before executing to prevent or XSS attacks. PHP SQL Sanitize is a kind of filter which is used to allow or disallow characters in a string. PHP SQL Sanitize PHP SQL Sanitize is a kind of filter which is used to allow or disallow characters in a string. This example illustrates how to implement the sanitized filter in php application. Filter knows two kinds of filter: sanitizing filters. If you scan the application using the SQL Injection scan type in Acunetix, it confirms the vulnerability. SQL Injection Prevention in PHP Parameterized queries. To prevent and/or fix SQL Injection vulnerabilities, start by reading advice in our Defence in Depth series: Parameterize SQL queries. Parameterized queries are simple to write and.
I'd argue that we should almost always escape rather than sanitize. If a user tampers with a string to inject SQL, for example, then we shouldn't strip quotes and backslashes and other SQL characters. Or if a user tampers to inject