Amid the security review of AffiliateWP plugin for WordPress CMS, Security Vulnerabilities was found utilizing DefenseCode ThunderScan by Neven Biruski in application source code security testing phase.
Vulnerability Description
XSS is a very commonly exploited vulnerability type which is very widely spread and easily detectable.
An attacker can inject untrusted snippets of JavaScript into your application without validation. This JavaScript is then executed by the victim who is visiting the target site.
Read More about XSS.
For More information Refer DefenseCode Advisories.
Application Overview
As per the plugin creators, AffiliateWP is a simple to-utilize, solid WordPress module that gives you the affiliate marketing tools that used to develop your business and profit. In 2016 it outperformed $500,000 in yearly income.
Solution
The bug has been reported to Vendor by Defense code and they released a fix on 2017/05/17. So the solution is simple, you need to update to the latest available version of AffiliateWP plugin.