/tmp/unzip/ - legitimate_file.txt - ../../../var/www/html/shell.php Use code with caution. Copied to clipboard
Check that filename.contains("..") or use canonical paths to ensure the destination is safe. XXCa.ss.ieXX.zip
Path Traversal / Arbitrary File Write (Zip Slip) /tmp/unzip/ - legitimate_file
When a vulnerable service or application extracts this file using traditional methods (e.g., directly taking the filename from the zip entry without sanitization), the application will follow the ../ instructions and write shell.php to the web root rather than the intended extraction folder. 4. Reproduction Steps (Technical) the XXCa.ss.ieXX.zip file. XXCa.ss.ieXX.zip