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CVE-2026-97339

HIGH 7.2 CVSS 3.1
Published
October 16, 2026
Last modified
October 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The Complianz GDPR/CCPA Cookie Consent Banner plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via yotu-wp Cookie-Blocker Filter in all versions up to, and including, 7.5.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit bypasses WordPress's wp_kses comment sanitization because the payload uses only allow-listed tags and hides executable tokens inside quoted attribute values as plain text; the XSS is only realized when Complianz's own output-buffer filter performs str_replace() rewrites that break out of the attribute context, and requires the comment to be approved before it executes for visitors.

Affected WordPress components

  • Complianz GDPR/CCPA Cookie Consent Banner Plugin · complianz-gdpr
    Confirmed match Active
    Up to and including 7.5.5
    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

  • complianz Complianz GDPR/CCPA Cookie Consent Banner — Up to and including 7.5.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/class-cookie-blocker.php#L458
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/class-cookie-blocker.php#L828
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/integrations/plugins/yotu-wp.php#L18
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/integrations/plugins/yotu-wp.php#L7
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3743098/complianz-gdpr/trunk/integrations/plugins/yotu-wp.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3c12e65c-eedf-4fc2-977a-7a07219ee1c2?source=cve
  • nvd.nist.gov Official NVD record