CVE-2026-18062 PUBLISHED

Kadence Blocks <= 3.7.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Identity Block Inner Image Content

Assigner: Wordfence
Reserved: 28.07.2026 Published: 01.08.2026 Updated: 01.08.2026

The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Identity Block Inner Image Content in all versions up to, and including, 3.7.8.1 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. This vulnerability is only triggerable when the block's urlTransparent attribute is set to a non-empty value, as this is a required precondition for the vulnerable code path in build_html() to be reached.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS Score: 6.4

Product Status

Vendor stellarwp
Product Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
Versions Default: unaffected
  • affected from 0 to 3.7.8.1 (incl.)

Credits

  • theviper17y finder

References

Problem Types

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE