CVE-2026-15334 MEDIUM

CVE-2026-15334: Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute

Vendor Cozythemes
Product Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 600+ Patterns, 58 Blocks & Templates
Weakness CWE-79 · XSS
Published July 24, 2026
Last update July 24, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 600+ Patterns, 58 Blocks & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'icon.view' Block Attribute in all versions up to, and including, 2.2.11 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.

Explanation of Vulnerability in Simple Terms

02Summary

Cozy Blocks allows authenticated users to inject malicious scripts that execute in other users' browsers. The vulnerability exists in versions up to 2.2.11 and affects the page builder's handling of user input. An attacker with low-level access can craft payloads that compromise site visitors' sessions or steal sensitive data. Update to a version newer than 2.2.11.

What an attacker can do

03Attacker Capabilities

Inject JavaScript that runs in other users' browsers, potentially stealing session tokens or modifying page content.

Potential impact on your site

04Site Impact

Authenticated users with low privileges can compromise other users' accounts or inject malware visible to site visitors.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account (e.g., contributor or editor role) on the WordPress site.

Key dates

06Disclosure timeline

July 24, 2026 CVE published

Related vulnerabilities

08Related CVE