CVE-2026-15950
Received Received - Intake

Stored XSS in Cozy Blocks WordPress Plugin

Publication date: 2026-08-01

Last updated on: 2026-08-01

Assigner: Wordfence

Description
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 'layoutCircle.alignment' 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.

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Meta Information

Published
2026-08-01
Last Modified
2026-08-01
Generated
2026-08-01
AI Q&A
2026-08-01
EPSS Evaluated
N/A
NVD
CVE-2026-15950
EUVD
EUVD-2026-51761

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
cozy_blocks page_builder to 2.2.11 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) flaw in the Cozy Blocks WordPress plugin. It allows authenticated attackers with contributor-level access or higher to inject malicious scripts into web pages via the 'layoutCircle.alignment' block attribute. The issue arises due to insufficient input sanitization and output escaping.

Detection Guidance

This vulnerability can be detected by checking for the presence of the Cozy Blocks plugin in WordPress installations and verifying if the version is up to 2.2.11 or lower. Inspect WordPress admin panels for the plugin and review installed versions.

Impact Analysis

If exploited, this vulnerability could allow attackers to execute arbitrary web scripts in pages visited by users. This could lead to unauthorized actions on behalf of users, theft of sensitive data, or defacement of web pages. Users with contributor access or higher are the primary risk group.

Compliance Impact

This vulnerability could potentially lead to data breaches, which may violate GDPR or HIPAA requirements for data protection and user privacy. Organizations using this plugin may face compliance violations if user data is compromised due to the XSS flaw.

Mitigation Strategies

Immediately update the Cozy Blocks plugin to the latest version beyond 2.2.11. If updating is not possible, consider disabling or removing the plugin until a patch is applied. Review user roles with contributor-level access and above for any suspicious activity.

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