The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 2.0.42 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in AREOI All Bootstrap Blocks allows Stored XSS.This issue affects All Bootstrap Blocks: from n/a through 1.3.15.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Johan van der Wijk Content Blocks (Custom Post Widget) allows Stored XSS.This issue affects Content Blocks (Custom Post Widget): from n/a through 3.3.0.

The The Post Grid – Shortcode, Gutenberg Blocks and Elementor Addon for Post Grid plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the rtTPGSaveSettings function in all versions up to, and including, 7.6.1. This makes it possible for authenticated attackers, with subscriber access or higher, to change the plugin's settings and invoke other functions hooked by AJAX actions.

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the className parameter in the About Me block in all versions up to, and including, 2.0.39 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Post Grid widget in all versions up to, and including, 2.6.9 due to insufficient input sanitization and output escaping on user supplied attributes such as 'titleTag'. 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 Gutenberg Blocks by Kadence Blocks – Page Builder Features plugin for WordPress is vulnerable to Stored Cross-Site Scripting via several parameters in all versions up to, and including, 3.2.34 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Content Control – The Ultimate Content Restriction Plugin! Restrict Content, Create Conditional Blocks & More plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.0 via the API. This makes it possible for unauthenticated attackers to extract post titles, IDs, slugs, statuses and other information including post content. This includes published content only.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Creative Themes HQ Blocksy allows Stored XSS.This issue affects Blocksy: from n/a through 2.0.33.