SQL injection vulnerability in userreviews.php in OneCMS 2.4 allows remote attackers to execute arbitrary SQL commands via the abc parameter.

Multiple SQL injection vulnerabilities in OneCMS 2.4, and possibly earlier, allow remote attackers to execute arbitrary SQL commands via the (1) username parameter ($usernameb variable) to a_login.php or (2) user parameter to staff.php.

Unrestricted file upload vulnerability in the add2 action in a_upload.php in OneCMS 2.4, and possibly earlier, allows remote attackers to execute arbitrary code by uploading a file with an executable extension and using a safe content type such as image/gif, then accessing it via a direct request to the file in an unspecified directory.