Dost Pakistan Journeys Tours and safaris in the North & South Pakistsn
The 10 Most Common PHP Security Vulnerabilities The 10 Most Common PHP Security Vulnerabilities PHP powers millions of websites, but its flexibility can also expose developers to a range of security risks. Understanding the most common vulnerabilities is the first step toward building robust, attack‑resistant applications.
1. SQL Injection (SQLi) SQL injection occurs when untrusted input is concatenated directly into SQL queries, allowing attackers to manipulate the database.
How it works Attackers inject malicious SQL fragments through form fields, URL parameters, or cookies, potentially retrieving, modifying, or deleting data. Prevention Use prepared statements with bound parameters (PDO or MySQLi).
Validate..
.
