The Tribute Testimonials – WordPress Testimonial Grid/Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tribute_testimonials_slider' shortcode in all versions up to, and including, 1.0.4 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sazzad Hu Testimonial Slider Shortcode allows Stored XSS.This issue affects Testimonial Slider Shortcode: from n/a through 1.1.9.

The Social Proof (Testimonial) Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's spslider-block shortcode in all versions up to, and including, 2.2.4 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.

The Testimonial Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'testimonialcategory' shortcode in all versions up to, and including, 1.3.2 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.

The Testimonial Slider WordPress plugin before 2.3.8 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GS Plugins GS Testimonial Slider allows Stored XSS.This issue affects GS Testimonial Slider: from n/a through 3.1.4.

The Testimonial Slider WordPress plugin before 2.3.7 does not properly ensure that a user has the necessary capabilities to edit certain sensitive Testimonial Slider WordPress plugin before 2.3.7 settings, making it possible for users with at least the Author role to edit them.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in I Thirteen Web Solution Easy Testimonial Slider and Form allows Stored XSS.This issue affects Easy Testimonial Slider and Form: from n/a through 1.0.18.

The Testimonial Slider Shortcode WordPress plugin before 1.1.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in brandiD Social Proof (Testimonial) Slider plugin <= 2.2.3 versions.