Netcat Reverse Shells

XML External Entity (XXE) Attack

XML External Entity Injection (XXE) is a web security vulnerability listed in the OWASP Top 10 under the category of “A05:2021-Security Misconfiguration.” It arises when the server processes XML data unsafely. This vulnerability allows attackers to read internal files on the system, interact with internal services not accessible to the public via Server-Side Request Forgery (SSRF), or perform Denial of Service (DoS) attacks on the server.