What are the most common security vulnerabilities in Laravel applications

1. Cross-Site Scripting (XSS): Occurs when user-supplied data is not properly sanitized before rendering it on a web page, allowing attackers to inject malicious scripts[1][3].

2. SQL Injection (SQLi): Happens when user input is not properly validated or sanitized before being used in database queries, granting attackers unauthorized access to sensitive data[1][3].

3. Cross-Site Request Forgery (CSRF): Allows attackers to perform unauthorized actions on behalf of an authenticated user, leading to financial losses, data breaches, and reputational damage[1][3].

4. Insecure Direct Object References (IDOR): Exposes internal implementation details, such as database keys or file paths, in URLs or parameters, allowing attackers to manipulate these references to access unauthorized resources[1].

5. Insecure Deserialization: Occurs when untrusted data is deserialized without proper validation or sanitization, allowing attackers to execute arbitrary code, perform denial-of-service attacks, or tamper with application logic[1].

6. Authentication and Session Management Issues: Weak authentication mechanisms, such as insufficient password hashing or lack of multi-factor authentication, can lead to unauthorized access. Inadequate session management can also expose users to session hijacking or fixation attacks[1].

7. Sensitive Data Exposure: Exposing sensitive information, such as passwords, API keys, or personally identifiable information (PII), in logs, error messages, or response headers can lead to identity theft, data breaches, or other malicious activities[1].

8. Redirects and Forwards without Validation: Failing to validate redirects and forwards based on user-supplied input can lead to redirecting users to malicious websites or phishing pages[1].

9. Validation: Neglecting input validation can expose applications to injection attacks[1].

10. Dependencies: Failing to update third-party dependencies in a timely manner can expose applications to vulnerabilities[1].

These vulnerabilities can be mitigated by following best practices such as input validation, output escaping, parameterized queries, authentication, authorization, and encryption, as well as staying informed about the latest security threats and regularly updating dependencies[1][3].