Exponent CMS 2.3.5 File Upload Cross Site Scripting
Posted on 22 April 2016
CVE-2015-8684 - Exponent CMS 2.3.5 File Upload Cross Site Scripting Vulnerability Product : Exponent CMS CVE : CVE-2015-8684 Author : Sachin Wagh Affected Version : Exponent CMS 2.3.5 Fixed Version: Exponent CMS 2.3.7 ============================================================================ Details: The Exponent CMS is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied input. This issue occur when uploading crafted HTML file. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks. ============================================================================ Proof-Of-Concept: <html> <head></head> <body> <div id="some-div"> <script type="text/javascript">prompt(document.domain);</script> </div> </body> </html> ============================================================================ Affected Area(s): [+] http://localhost/exponent-2.3.5/navigation/edit_contentpage/parent/0 ============================================================================ Credits & Authors : Sachin Wagh (@tiger_tigerboy) ============================================================================
