Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in César Morillas Shortcodes Blocks Creator Ultimate allows Reflected XSS.This issue affects Shortcodes Blocks Creator Ultimate: from n/a through 2.2.0.

The Ultimate Blocks WordPress plugin before 3.2.4 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The Shortcodes Blocks Creator Ultimate plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the '_wpnonce' parameter in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Shortcodes Blocks Creator Ultimate plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'page' parameter in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Shortcodes Blocks Creator Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'scu' shortcode in versions up to, and including, 2.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. 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 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 Ultimate Blocks WordPress plugin before 3.2.2 does not validate and escape some of its block attributes before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

The Ultimate Blocks WordPress plugin before 3.2.0 does not validate and escape some of its post-grid block attributes before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks – Gutenberg Blocks Plugin allows Stored XSS.This issue affects Ultimate Blocks – Gutenberg Blocks Plugin: from n/a through 3.1.9.

The Ultimate Blocks WordPress plugin before 3.1.9 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks