The Post Grid and Gutenberg Blocks – ComboBlocks plugin for WordPress is vulnerable to unauthorized order creation in all versions up to, and including, 2.3.5. This is due to insufficient verification on form fields. This makes it possible for unauthenticated attackers to create new orders for products and mark them as paid without actually completing a payment.

The C9 Blocks plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 1.7.7. This is due the plugin containing a publicly accessible composer-setup.php file with error display enabled. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘content’ parameter within the plugin's shortcode Content Block in all versions up to, and including, 3.3.5 due to insufficient input sanitization and output escaping. 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 Cosmic Blocks (40+) Content Editor Blocks Collection plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'cwp_social_share' shortcode in all versions up to, and including, 1.3.0 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 aBlocks – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the "Table Of Content" Block, specifically in the "markerView" attribute, in all versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping. 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 sonalsinha21 SKT Blocks – Gutenberg based Page Builder allows Stored XSS. This issue affects SKT Blocks – Gutenberg based Page Builder: from n/a through 1.7.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Qubely – Advanced Gutenberg Blocks allows Stored XSS. This issue affects Qubely – Advanced Gutenberg Blocks: from n/a through 1.8.12.

The Qubely – Advanced Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘align’ and 'UniqueID' parameter in all versions up to, and including, 1.8.12 due to insufficient input sanitization and output escaping. 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 Rise Blocks – A Complete Gutenberg Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the titleTag parameter in all versions up to, and including, 3.6 due to insufficient input sanitization and output escaping. 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 CyberChimps Responsive Blocks allows Reflected XSS. This issue affects Responsive Blocks: from n/a through 1.9.9.