------------------------------------------------------------------------ Persistent Cross-Site Scripting in WooCommerce using image metadata (EXIF) ------------------------------------------------------------------------ Han Sahin, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A persistent Cross-Site Scripting (XSS) vulnerability has been found in the WooCommerce WordPress Plugin (millions of active installations). An attacker can create a specially crafted image file which, when uploaded as a product image in WordPress, injects malicious JavaScript code into the application. An attacker can use this vulnerability to perform a wide variety of actions, such as stealing victims' session tokens or login credentials, and performing arbitrary actions on their behalf. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160720-0006 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on WooCommerce version 2.6.2. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ This issue is resolved in WooCommerce 2.6.3. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/persistent_cross_site_scripting_in_woocommerce_using_image_metadata__exif_.html ------------------------------------------------------------------------ Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its goal is to contribute to the security of popular, widely used OSS projects in a fun and educational way.
