pearcmd.php is a PEAR command-line PHP script used to manage PEAR packages and related tasks. It is not meant to be a web application endpoint, but it can become dangerous if a web server can read or include it through a file-inclusion flaw. In that situation, a file that was intended for local administration may be treated as executable code inside an attacker-controlled request path.
Security teams care about pearcmd.php because it is a common pivot in local file inclusion and template-resolution attack chains. If PHP runtime settings and filesystem permissions line up, including the script may let an attacker reach command-line behavior or influence execution arguments, turning an inclusion bug into remote code execution. Defenses include removing unnecessary PEAR artifacts, restricting read access to server-accessible files, hardening PHP configuration, and watching for suspicious include paths or unexpected requests for local PHP utilities.