CVE-2026-17011

The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing...

CVE-2026-17011 Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection

The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing...

CVE-2026-17011

The vulnerability affects the Nexter Blocks WordPress plugin, specifically versions prior to 5.0.2. A REST endpoint does not restrict who can save global CSS, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide, enabling defacement, content hiding, ...

EUVD-2026-54892

The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing...

CVE-2025-15678

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files Author by default, allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site...

EUVD-2025-210624

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files Author by default, allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site...

CVE-2025-15678

The CVE concerns the Nexter Blocks WordPress plugin before version 5.0.2. It does not sanitize uploaded SVG files, allowing any user who can upload files (Author by default) to upload an SVG containing malicious JavaScript. When the file is accessed, this can execute in the context of the site, l...

CVE-2025-15678

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files Author by default, allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site...

CVE-2025-15678 Nexter Blocks < 5.0.2 - Author+ Stored XSS via SVG Upload

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files Author by default, allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site...

CVE-2026-15420

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plusname' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, t...

CVE-2026-15420 Nexter Blocks <= 5.0.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plusname' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, t...

CVE-2026-15420

The CVE-2026-15420 entry concerns Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder for WordPress. Affected component: the WordPress plugin itself (Nexter Blocks) with a Directory Traversal flaw exploitable via the plus_name parameter. Impact: authenticated attackers with subscr...

CVE-2026-15420

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plusname' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, t...

CVE-2026-6740

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 due to insufficient input sanitization and output escaping. This makes it possible...

CVE-2026-6740

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 due to insufficient input sanitization and output escaping. This makes it possible...

CVE-2026-6740 Nexter Blocks <= 4.7.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'commentIcon' Block Attribute

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 due to insufficient input sanitization and output escaping. This makes it possible...

EUVD-2026-42232

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 due to insufficient input sanitization and output escaping. This makes it possible...

CVE-2026-6740

CVE-2026-6740 affects the Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress. The vulnerability is a Stored XSS via the ‘commentIcon’ block attribute, caused by insufficient input sanitization and output escaping. It affects all versions up to and including 4...

CVE-2026-39516

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through = 4.7.0...

EUVD-2026-20178

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through = 4.7.0...