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.
Published: 2026-07-28
Score: 6.4 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

References
Link Providers
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/blocks/categorized-post-tabs/render.php#L1 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L512 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L513 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L531 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L532 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L550 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L551 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/blocks/categorized-post-tabs/render.php#L1 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L512 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L513 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L531 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L532 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L550 cve-icon
https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L551 cve-icon
https://plugins.trac.wordpress.org/changeset?reponame=&old=3619461%40cozy-addons&new=3619461%40cozy-addons cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/e93de7ae-c3a8-4536-9c07-e64d7746e05f?source=cve cve-icon
History

Tue, 28 Jul 2026 16:15:00 +0000

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-07-28T13:26:49.122Z

Reserved: 2026-07-10T13:02:10.347Z

Link: CVE-2026-15393

cve-icon Vulnrichment

Updated: 2026-07-28T13:26:45.525Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')