CVE-2026-15393

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/e93de7ae-c3a8-4536-9c07-e64d7746e05f?source=cve

https://plugins.trac.wordpress.org/changeset?reponame=&old=3619461%40cozy-addons&new=3619461%40cozy-addons

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L551

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L550

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L532

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L531

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L513

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/includes/Helpers/class-block-render.php#L512

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.11/blocks/categorized-post-tabs/render.php#L1

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L551

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L550

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L532

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L531

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L513

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/includes/Helpers/class-block-render.php#L512

https://plugins.trac.wordpress.org/browser/cozy-addons/tags/2.2.10/blocks/categorized-post-tabs/render.php#L1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3