WordPress Otter Blocks plugin < 3.2.8 - Unauthenticated Stored XSS vulnerability

Unauthenticated Stored XSS vulnerability discovered by Jakub Herman in WordPress Plugin Otter - Gutenberg Block versions 3.2.8...

CVE-2026-109935

The Otter Blocks WordPress plugin before 3.2.8 does not enforce its block visibility conditions when a published post is rendered through the WordPress REST API, allowing unauthenticated users to read block content that the site owner restricted to specific roles, logged-in users, the post author...

CVE-2026-109933

The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including...

CVE-2026-109934

The Otter Blocks WordPress plugin before 3.2.8 does not correctly determine whether a post is publicly readable before returning its data through a REST API endpoint, treating any post with the published status as public, allowing unauthenticated users to read manual excerpts of password-protecte...

CVE-2026-109936

The Otter Blocks WordPress plugin before 3.2.8 does not correctly bound a pattern it uses to rewrite its dynamic-content tokens while rendering blocks, so the pattern can consume the quote that closes an HTML attribute and pull adjacent unescaped data into the markup as new attributes. This allow...

CVE-2026-109936 Otter Blocks < 3.2.8 - Unauthenticated Stored XSS via Dynamic Content Render Filter

The Otter Blocks WordPress plugin before 3.2.8 does not correctly bound a pattern it uses to rewrite its dynamic-content tokens while rendering blocks, so the pattern can consume the quote that closes an HTML attribute and pull adjacent unescaped data into the markup as new attributes. This allow...

CVE-2026-109936

The Otter Blocks WordPress plugin (versions before 3.2.8 ) contains an unauthenticated stored Cross-Site Scripting (XSS) vulnerability. The root cause is an improperly bounded pattern used to rewrite dynamic-content tokens during block rendering. This allows an attacker to consume the closing quo...

EUVD-2026-108589

The Otter Blocks WordPress plugin before 3.2.8 does not correctly bound a pattern it uses to rewrite its dynamic-content tokens while rendering blocks, so the pattern can consume the quote that closes an HTML attribute and pull adjacent unescaped data into the markup as new attributes. This allow...

CVE-2026-109936 Otter Blocks < 3.2.8 - Unauthenticated Stored XSS via Dynamic Content Render Filter

The Otter Blocks WordPress plugin before 3.2.8 does not correctly bound a pattern it uses to rewrite its dynamic-content tokens while rendering blocks, so the pattern can consume the quote that closes an HTML attribute and pull adjacent unescaped data into the markup as new attributes. This allow...

CVE-2026-109933 Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes

The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including...

CVE-2026-109934 Otter Blocks 3.1.1 - 3.2.7 - Unauthenticated Non-Public Content Disclosure via REST API

The Otter Blocks WordPress plugin before 3.2.8 does not correctly determine whether a post is publicly readable before returning its data through a REST API endpoint, treating any post with the published status as public, allowing unauthenticated users to read manual excerpts of password-protecte...

CVE-2026-109935 Otter Blocks < 3.2.8 - Unauthenticated Restricted Block Content Disclosure via REST API

The Otter Blocks WordPress plugin before 3.2.8 does not enforce its block visibility conditions when a published post is rendered through the WordPress REST API, allowing unauthenticated users to read block content that the site owner restricted to specific roles, logged-in users, the post author...

CVE-2026-109934

The Otter Blocks WordPress plugin (versions 3.1.1-3.2.7 ) is vulnerable to an unauthenticated non-public content disclosure via a REST API endpoint. The root cause is the plugin's failure to correctly determine if a post is publicly readable, as it incorrectly treats any post with a

CVE-2026-109933

The Otter Blocks WordPress plugin, in versions prior to 3.2.8 , is vulnerable to a Stored Cross-Site Scripting (XSS) flaw. The root cause is the insufficient sanitization and escaping of user-supplied block styling values before they are written into an inline stylesheet . This allows users with ...

EUVD-2026-108588

The Otter Blocks WordPress plugin before 3.2.8 does not enforce its block visibility conditions when a published post is rendered through the WordPress REST API, allowing unauthenticated users to read block content that the site owner restricted to specific roles, logged-in users, the post author...

EUVD-2026-108587

The Otter Blocks WordPress plugin before 3.2.8 does not correctly determine whether a post is publicly readable before returning its data through a REST API endpoint, treating any post with the published status as public, allowing unauthenticated users to read manual excerpts of password-protecte...

EUVD-2026-108586

The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including...

CVE-2026-109933 Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes

The Otter Blocks WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including...

CVE-2026-109934 Otter Blocks 3.1.1 - 3.2.7 - Unauthenticated Non-Public Content Disclosure via REST API

The Otter Blocks WordPress plugin before 3.2.8 does not correctly determine whether a post is publicly readable before returning its data through a REST API endpoint, treating any post with the published status as public, allowing unauthenticated users to read manual excerpts of password-protecte...

CVE-2026-109935 Otter Blocks < 3.2.8 - Unauthenticated Restricted Block Content Disclosure via REST API

The Otter Blocks WordPress plugin before 3.2.8 does not enforce its block visibility conditions when a published post is rendered through the WordPress REST API, allowing unauthenticated users to read block content that the site owner restricted to specific roles, logged-in users, the post author...