-include-..-2f..-2f..-2f..-2froot-2f -

(or Local File Inclusion - LFI) vulnerability. This specific payload uses URL encoding representing the

Ensuring user-provided filenames don't contain path sequences. -include-..-2F..-2F..-2F..-2Froot-2F

The string -include-..-2F..-2F..-2F..-2Froot-2F signifies a directory traversal vulnerability used to bypass security filters and access sensitive system files by exploiting improper validation of user input [1, 2]. Attackers leverage ../ sequences and URL encoding ( -2F ) to escape the intended directory and potentially read restricted system files [3]. Prevention requires input validation, secure file path APIs, and applying the principle of least privilege to filesystem permissions [2, 3]. For a detailed guide on this vulnerability, consult the OWASP Foundation's documentation on Path Traversal. (or Local File Inclusion - LFI) vulnerability