WordPress Easy Testimonials 1.36.1 Cross Site Scripting
Posted on 02 August 2016
------------------------------------------------------------------------ Stored Cross-Site Scripting vulnerability in Easy Testimonials WordPress Plugin ------------------------------------------------------------------------ Bente Schopman, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ Multiple stored Cross-Site Scripting vulnerabilities were found in the Easy Testimonials WordPress Plugin. These issues can be exploited by an authenticated Contributor (or higher). It allows an attacker to perform a wide variety of actions, such as stealing users' session tokens, or performing arbitrary actions on their behalf. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160712-0010 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ These issues were successfully tested on Easy Testimonials WordPress Plugin version 1.36.1. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ This issue is resolved in Easy Testimonials WordPress Plugin version 1.37. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/stored_cross_site_scripting_vulnerability_in_easy_testimonials_wordpress_plugin.html This can be exploited by users with a role lower than the Editor (which has the unfiltered_html privileges) to add scripts and HTML when creating or updating a testimonial. This is possible by the following fields: - Client Name. - Position/Web Address/Other. - Location Reviewed/Product Reviewed/Item Reviewed. The vulnerability allows an attacker to perform a wide variety of actions, such as stealing users' session tokens, or performing arbitrary actions on their behalf. In order to exploit this issue, the attacker has to lure/force a victim into opening a malicious website. ------------------------------------------------------------------------ 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.
