CVE-2026-15393

Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'postMeta.font.size' Block Attribute

Published Jul 28, 2026 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
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 'postMeta.font.size' 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
Link Providers
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/blocks/categorized-post-tabs/render.php#L1 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L512 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L513 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L531 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L532 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L550 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L551 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/blocks/categorized-post-tabs/render.php#L1 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L512 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L513 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L531 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L532 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L550 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L551 cve-icon cve-icon
https://plugins.trac.wordpress.org/changeset?reponame=&old=3619461%40cozy-addons&new=3619461%40cozy-addons cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/e93de7ae-c3a8-4536-9c07-e64d7746e05f?source=cve cve-icon cve-icon
History
Type Values Removed Values Added
First Time appeared Cozythemes
Cozythemes cozy Blocks – Page Builder For Gutenberg Editor & Fse With 600+ Patterns, 58 Blocks & Templates
Wordpress
Wordpress wordpress
Vendors & Products Cozythemes
Cozythemes cozy Blocks – Page Builder For Gutenberg Editor & Fse With 600+ Patterns, 58 Blocks & Templates
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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 'postMeta.font.size' 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.
Title Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'postMeta.font.size' Block Attribute
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Jul 28, 2026, 1:26 PM
Reserved
Jul 10, 2026, 1:02 PM
Status
Deferred
Published
Jul 28, 2026, 1:17 PM
Modified
Jul 28, 2026, 4:07 PM