WordPress Easy Testimonials plugin version 1.36.1 suffers from a persistent cross site scripting vulnerability.
435f42eae5b1cf6b35e1e80e2987dcfc0cec9c7201d82d195e4c35d83e74ff3f
------------------------------------------------------------------------
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.