Multiple cross-site scripting (XSS) vulnerabilities in e107 0.7.5 allow remote attackers to inject arbitrary web script or HTML via the (1) ep parameter to search.php and the (2) subject parameter in comment.php (aka the Subject field when posting a comment).
game_score.php in e107 allows remote attackers to insert high scores via HTTP POST methods utilizing the $player_name, $player_score, and $game_name variables.
doping.php in ePing plugin 1.02 and earlier for e107 portal allows remote attackers to execute arbitrary code or overwrite files via (1) shell metacharacters in the eping_count parameter or (2) restricted shell metacharacters such as ">" and "&" in the eping_host parameter, which is not handled by the validation function.
The eping_validaddr function in functions.php for the ePing plugin for e107 portal allows remote attackers to execute arbitrary commands via shell metacharacters after a valid argument to the eping_host parameter.
ImageManager in e107 before 0.617 does not properly check the types of uploaded files, which allows remote attackers to execute arbitrary code by uploading a PHP file via the upload parameter to images.php.