Vulnerability ID: HTB22480 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_webpress_2.html Product: WebPress Vendor: YWP ( http://www.goywp.com/ ) Vulnerable Version: Current at 01.07.2010 and Probably Prior Versions Vendor Notification: 01 July 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 "admin_page_sidemenu_blocks_action.php" script to properly sanitize user-supplied input in "id_num_mod" 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: http://host/path/_system/menus/sidemenu_blocks/_pages/admin_page_sidemenu_blocks_action.php?id_num_mod=1%27%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3Edcf&submit_action=Edit
