-include-..-2f..-2f..-2f..-2froot-2f | [top]

Use realpath() to resolve the full path and check if it starts with the expected base directory. 4. Apply the Principle of Least Privilege

) to navigate out of the web root and access restricted sensitive files on the server. 2. Payload Analysis The payload ..-2F..-2F..-2F..-2Froot-2F breaks down as follows: -include-..-2F..-2F..-2F..-2Froot-2F

Let’s break this string down methodically. Use realpath() to resolve the full path and

: Often targets specific PHP functions like include() or require() . Attackers look for inputs that feed directly into file system operations. -include-..-2F..-2F..-2F..-2Froot-2F