The OWASP (Open Web Application Security Project) Top 10 is a regularly updated list that represents a broad consensus about the most critical security risks to web applications. The list is created by security experts from around the world and is widely used by developers, security professionals, and organizations to prioritize their efforts in securing web applications. As of my last knowledge update in January 2022, the OWASP Top 10 list is subject to change, and new versions may be released. Therefore, it’s essential to check the latest version for the most up-to-date information.
As of the OWASP Top 10 2021 version, the list includes:
- Injection: This involves injecting malicious code (e.g., SQL, NoSQL, OS, and LDAP injection) into an application, leading to unauthorized access to sensitive data or manipulation of the application.
- Broken Authentication: Weaknesses related to authentication and session management, such as ineffective password policies, insecure password recovery mechanisms, and exposed session tokens.
- Sensitive Data Exposure: Failure to adequately protect sensitive information, leading to unauthorized access or disclosure of confidential data.
- XML External Entities (XXE): Exploiting vulnerabilities in the processing of XML data, which can lead to disclosure of internal files, denial of service, or remote code execution.
- Broken Access Control: Inadequate access restrictions and improper enforcement of user roles, allowing unauthorized access to sensitive functionality or data.
- Security Misconfigurations: Poorly configured security settings, default configurations, and unnecessary services, which can lead to various security issues.
- Cross-Site Scripting (XSS): Allowing attackers to inject malicious scripts into web pages viewed by other users, potentially leading to session hijacking or defacement of web pages.
- Insecure Deserialization: Deserializing untrusted data can lead to remote code execution, denial of service, and other security issues.
- Using Components with Known Vulnerabilities: Integrating outdated or vulnerable components (libraries, frameworks, etc.) into a web application, exposing it to known security flaws.
- Insufficient Logging and Monitoring: Inadequate logging and monitoring, making it difficult to detect and respond to security incidents promptly.
It’s crucial to stay informed about the latest developments in web application security, as the threat landscape evolves. Always refer to the official OWASP website for the most recent version of the OWASP Top 10 and related resources.