The issue allows remote attackers to execute arbitrary SQL commands due to multiple SQL injection vulnerabilities. The vulnerabilities exist in various parameters and variables, including the `id` parameter to "vote.php", the `id` parameter to "trackback.php", an unspecified parameter to "submit.php", the `requestTitle` variable in a query to "story.php", the `requestID` and `requestTitle` variables in "recommend.php", the `categoryID` parameter to "cloud.php", the `title` parameter to "out.php", the `username` parameter to "login.php", the `id` parameter to "cvote.php", and the `commentid` parameter to "edit.php".