/-----------------------------------------------------------------\ | Wordpress Download Monitor - Download Page Cross-Site Scripting | \-----------------------------------------------------------------/ Summary ======= Wordpress Download Monitor 3.3.5.7 is subject to a cross-site scripting vulnerability. The 'dlsearch' parameter is not sufficiently sanitised before being written to pages including the '[download_page]' shortcode. An attacker could distribute a malicious URL as part of a phishing campaign. Users following the link would trigger this vulnerability which could potentially steal session cookies, redirect the user to a malicious URL or download malware onto their machine. CVE number: CVE-2012-4768 Impact: Medium Vendor homepage: http://mikejolley.com/ Vendor notified: 30/08/2012 Vendor fixed: 30/08/2012 Credit: Chris Cooper and Joseph Sheridan of ReactionIS This advisory is posted at: http://www.reactionpenetrationtesting.co.uk/wordpress-download-monitor-xss.html Affected Products ======== ======== Confirmed in Wordpress Download Monitor 3.3.5.7. Versions prior to 3.3.5.9 may also be affected. Details =======cv The 'dlsearch' parameter, written to any page/post including the '[download_page]' shortcode, was found to be subject to a cross-site scripting vulnerability. It was possible to inject arbitrary Javascript code into the parameter which is passed into the page content without sanitisation. Injecting the following Javascript code will trigger the vulnerability, causing the page to return a Javascript alert box: "><script>alert('xsstest')</script> --- Example Request: +--------------- GET /wp/?dlsearch="><script>alert('xsstest')</script> HTTP/1.1 Host: 192.168.0.6 --- Example Response: +---------------- --- SNIP --- <form id="download-page-search" action="" method="post"> <p><label for="dlsearch">Search Downloads:</label> <input type="text" name="dlsearch" id="dlsearch" value=""><script>alert('xsstest') </script>" /><input class="search_submit" type="submit" value="Go" /><input type="hidden" name="page_id" value="2" /></p></form><h3>Results found for <em>""><script>alert('xsstest')</script>"</em> <small><a href="http://192.168.0.6/wp/">&laquo;&nbsp;Downloads</a></small></h3> --- SNIP --- Impact ====== An attacker might entice users to follow a malicious URL, causing Javascript code to execute in their browser, potentially stealing session cookies, redirecting the user to a malicious URL or downloading malware onto their machine. Solution ======== Upgrade to Wordpress Download Monitor 3.3.5.9. Distribution ============ In addition to posting on the website, a text version of this notice has been posted to the following e-mail and Usenet news recipients. * bugtraq () securityfocus com * full-disclosure () lists grok org uk Future updates of this advisory, if any, will be placed on the ReactionIS corporate website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the URL below for any updates: http://www.reactionpenetrationtesting.co.uk/wordpress-download-monitor-xss.html === Reaction Information Security Lombard House Business Centre, Suite 117, 12-17 Upper Bridge Street, Canterbury, Kent, CT1 2NF Phone: +44 (0)1227 785050 Email: research () reactionis {dot} co {dot} uk Web: http://www.reactionpenetrationtesting.co.uk