The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the Contact Info Block link parameter in all versions up to, and including, 2.0.77 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 Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Countdown widget in all versions up to, and including, 3.3.9 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.

Multiple plugins for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled FancyBox JavaScript library (versions 1.3.4 to 3.5.7) in various versions 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 WP-speedup Block Editor Bootstrap Blocks allows Reflected XSS.This issue affects Block Editor Bootstrap Blocks: from n/a through 6.6.1.

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 3.0.6 via the get_image function. This makes it possible for unauthenticated attackers to view arbitrary images on the server, which can contain sensitive information.

The Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the gallery link text parameter in all versions up to, and including, 3.2.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Gutenberg Blocks with AI by Kadence WP – Page Builder Features plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Countdown' widget in all versions up to, and including, 3.3.3 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 Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Official pro coders nBlocks allows PHP Local File Inclusion.This issue affects nBlocks: from n/a through 1.0.2.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jakir Hasan Blocks Post Grid allows DOM-Based XSS.This issue affects Blocks Post Grid: from n/a through 1.0.3.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Best WP Developer Gutenium Blocks allows Stored XSS.This issue affects Gutenium Blocks: from n/a through 1.1.5.