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CVE-2026-18062

MEDIUM 6.4 CVSS 3.1
Published
August 1, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

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.

Affected WordPress components

  • Kadence Blocks — Page Builder Toolkit for Gutenberg Editor Plugin · kadence-blocks
    Confirmed match Active
    Up to and including 3.7.8.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor — Up to and including 3.7.8.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.2/includes/blocks/class-kadence-blocks-identity-block.php#L108
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.2/includes/blocks/class-kadence-blocks-identity-block.php#L117
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.2/includes/blocks/class-kadence-blocks-identity-block.php#L162
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.8/includes/blocks/class-kadence-blocks-identity-block.php#L108
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.8/includes/blocks/class-kadence-blocks-identity-block.php#L117
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.8/includes/blocks/class-kadence-blocks-identity-block.php#L162
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3627652%40kadence-blocks&new=3627652%40kadence-blocks
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/620bd934-327e-4509-a5e0-b910654af29b?source=cve
  • nvd.nist.gov Official NVD record