phpCOIN 1.2.2 allows remote attackers to obtain the installation path via a direct request to config.php, which leaks the path in an error message because the _CCFG['_PKG_PATH_DBSE'] variable is not defined.
Directory traversal vulnerability in auxpage.php for phpCOIN 1.2.1b and earlier allows remote attackers to read arbitrary files via the page parameter.
Directory traversal vulnerability in coin_includes/db.php in phpCOIN 1.2.2 allows remote attackers to read arbitrary local files via ".." (dot dot) sequences in the $_CCFG[_PKG_PATH_DBSE] variable.