CVE-2026-16974
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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:Aug 11, 2026
Last Modified:Aug 11, 2026
EPS:Aug 11, 2026
EPSS Score:0.00156
CVSS Score:6.4
Affected Products
Vendor
Product
Action
Vendor
Themeum
Product
Kirki – Freeform Page Builder, Website Builder & Customizer
Themeum
Kirki – Freeform Page Builder, Website Builder & Customizer
Vendor
Wordpress
Product
Wordpress
Wordpress
Wordpress
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
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
