Multiple PHP remote file inclusion vulnerabilities in PHPOpenChat 3.0.1 and earlier allow remote attackers to execute arbitrary PHP code via the phpbb_root_path parameter to (1) poc_loginform.php or (2) phpbb/poc.php, the poc_root_path parameter to (3) phpbb/poc.php, (4) phpnuke/ENGLISH_poc.php, (5) phpnuke/poc.php, or (6) yabbse/poc.php, or (7) the sourcedir parameter to yabbse/poc.php.

Cross-site scripting (XSS) vulnerability in PHPOpenChat v3.x allows remote attackers to inject arbitrary web script or HTML via (1) the chatter parameter to regulars.php or (2) the chatter, chatter1, chatter2, chatter3, or chatter4 parameters to register.php.