A vulnerability has been identified in phpBB XS, which could be exploited by attackers to execute arbitrary commands. This flaw is due to an input validation error in the "includes/functions_kb.php" script that does not validate the "phpbb_root_path" parameter, which could be exploited by remote attackers to include malicious files and execute arbitrary commands with the privileges of the web server.
Vulnerable Products
Vulnerable Software: phpBB XS version 0.58a and prior
