mybb v1.1.1(rss.php) SQL Injection Exploit

[Breeeeh@xxxxxxxxxxx]

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Foud By: Breeeeh & CrAzY CrAcKeR
Site: www.alshmokh.com 
Email:Breeeeh@xxxxxxxxxxx 
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$query = $db->query("SELECT * FROM ".TABLE_PREFIX."forums f WHERE 1=1 
$forumlist");
        $comma = " - ";
        while($forum = $db->fetch_array($query))
        {
                $title .= $comma.$forum['name'];
                $forumcache[$forum['fid']] = $forum;
                $comma = ", ";

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Example: 

/rss.php?...$comma=[SQL]