The Logo Slider WordPress plugin before 4.5.0 does not sanitise and escape some of its Logo and Slider settings, which could allow high privilege users such as Contributor to perform Stored Cross-Site Scripting

The Logo Slider WordPress plugin before 4.5.0 does not sanitise and escape some of its Logo Settings when outputing them in pages where the Logo Slider shortcode is embed, which could allow users with a role as low as Author to perform Cross-Site Scripting attacks.

The Logo Slider WordPress plugin before 4.1.0 does not validate and escape some of its Slider Settings before outputting them back in attributes, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

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.

The Logo Slider WordPress plugin before 3.6.9 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).

The Logo Showcase Ultimate – Logo Carousel, Logo Slider & Logo Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 1.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

The Logo Slider WordPress plugin before 4.0.0 does not validate and escape some of its Slider Settings before outputting them back in attributes, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

The Logo Showcase Ultimate – Logo Carousel, Logo Slider & Logo Grid plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.8 via deserialization via shortcode of untrusted input. This makes it possible for authenticated attackers, with contributor access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Cross-Site Request Forgery (CSRF) vulnerability in GS Plugins Logo Slider – Logo Showcase, Logo Carousel, Logo Gallery and Client Logo Presentation.This issue affects Logo Slider – Logo Showcase, Logo Carousel, Logo Gallery and Client Logo Presentation: from n/a through 3.5.1.

The Logo Slider WordPress plugin before 3.6.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks