The Master Slider WordPress plugin before 3.10.5 does not sanitise and escape some of its settings, which could allow high privilege users such as Editor and above to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

During testing of the Master Slider WordPress plugin through 3.9.10, a CSRF vulnerability was found, which allows an unauthorized user to manipulate requests on behalf of the victim and thereby delete all of the sliders inside Master Slider WordPress plugin through 3.9.10.

Cross Site Scripting (XSS) vulnerability in Averta Master Slider allows Reflected XSS.This issue affects Master Slider: from n/a through 3.10.0.

Cross-Site Request Forgery (CSRF) vulnerability in Averta Master Slider.This issue affects Master Slider: from n/a through 3.9.10.

The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ms_layer' shortcode in all versions up to, and including, 3.9.10 due to insufficient input sanitization and output escaping on the 'css_id' user supplied attribute. 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.

The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ms_slide' shortcode in all versions up to, and including, 3.9.9 due to insufficient input sanitization and output escaping on user supplied 'css_class' attribute. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ms_slide_info' shortcode in all versions up to, and including, 3.9.9 due to insufficient input sanitization and output escaping on user supplied 'tag_name' attribute. 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.

Deserialization of Untrusted Data vulnerability in Averta Master Slider.This issue affects Master Slider: from n/a through 3.9.5.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Averta Master Slider allows Stored XSS.This issue affects Master Slider: from n/a through 3.9.8.