In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., $_REQUEST, $_GET, or $_POST) to the framework's Clear method.Referenceshttps://github.com/bcosca/fatfree/releaseshttps://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829