CVE-2026-15393
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:Jul 28, 2026
Last Modified:Jul 28, 2026
EPS:Jul 28, 2026
EPSS Score:
CVSS Score:6.4
Affected Products
Vendor
Product
Action
Vendor
Cozythemes
Product
Cozy Blocks – Page Builder For Gutenberg Editor & Fse With 600+ Patterns, 58 Blocks & Templates
Cozythemes
Cozy Blocks – Page Builder For Gutenberg Editor & Fse With 600+ Patterns, 58 Blocks & Templates
Vendor
Wordpress
Product
Wordpress
Wordpress
Wordpress
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
