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MyBB ChangUonDyu Extra File Chatbox Persistent XSS Vulnerability
[ChangUonDyu Extra File Chatbox Persistent XSS
Location: Chatbox Notice
Vendor: http://community.mybb.com/thread-63559.html
PoC:
function build_notice()
{
global $fcbfile,$smilies;
$noticef = file_get_contents($fcbfile['notice']);
$handle = fopen($fcbfile['ds_notice'],"w");
if ($noticef)
{
$noticef = BBCode($noticef);
$noticef = strtr($noticef, $smilies);
}
fwrite($handle, $noticef);
fclose($handle);
}
Saves notice to your notice save file without escaping user input.
# 0day.today [2024-11-16] #