Vulnerability ID: HTB22875 Reference: http://www.htbridge.ch/advisory/xss_in_lazyest_gallery_wordpress_plugin.html Product: Lazyest Gallery wordpress plugin Vendor: Brimosoft ( http://brimosoft.nl/ ) Vulnerable Version: 1.0.26 Vendor Notification: 24 February 2011 Vulnerability Type: XSS (Cross Site Scripting) Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "/wp-content/plugins/lazyest-gallery/lazyest-popup.php" script to properly sanitize user-supplied input in "image" variable. User can execute arbitrary JavaScript code within the vulnerable application. 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. The following PoC is available: http://[host]/wp-content/plugins/lazyest-gallery/lazyest-popup.php?image=%3C/title%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
