[WEB SECURITY] DefenseCode ThunderScan SAST Advisory: 53+ WordPress plugins by BestWebSoft Multiple Cross-Site Scripting (XSS) Vulnerabilities

DefenseCode defensecode at defensecode.com
Wed Apr 12 07:19:58 EDT 2017

         DefenseCode ThunderScan SAST Advisory
     53+ WordPress plugins by BestWebSoft Multiple
       Cross-Site Scripting (XSS) Vulnerabilities

Advisory ID: DC-2017-02-014
Software: 53+ WordPress plugins by BestWebSoft
Software Language: PHP
Version: Various
Vendor Status: Vendor contacted, vulnerabilities confirmed
Release Date: 20170412
Risk: Medium

# Advisory Overview

BestWebSoft published more than 50 plugins to the wordpress.org site.
Almost all plugins contain the Panel - a component designed for
overview and management of various BestWebSoft plugins - both the ones
that are installed and the ones that are available for download.
That's the component that's vulnerable to the Cross-site scripting attacks.
According to wordpress.org, there are more than 850,000 active installs
of plugins with the vulnerable Panel component.

Full advisory URL:


# About DefenseCode

DefenseCode L.L.C. delivers products and services designed to analyze
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DefenseCode ThunderScan is a SAST (Static Application Security Testing,
WhiteBox Testing) solution for performing extensive security audits of
application sourcecode.

ThunderScan performs fast and accurate analyses of large and complex
source code projects delivering precise results and low false positive

DefenseCode WebScanner is a DAST (Dynamic Application Security Testing,
BlackBox Testing) solution for comprehensive security audits of active
web applications.

WebScanner will test a website's security by carrying out a large number
of attacks using the most advanced techniques, just as a real attacker

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