Master Slider – Responsive Touch Slider < 3.10.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via ms_slider Shortcode

Description

The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ms_slider shortcode in all versions up to, and including, 3.10.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This issue was partially fixed in version 3.10.8.