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CVE-2026-83561

HIGH 7.2 CVSS 3.1
Published
September 18, 2026
Last modified
September 18, 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 Elementor Cookie Blocker Regex in all versions up to, and including, 7.5.4 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. Successful exploitation requires an administrator to approve the attacker's comment, and the site must have both the Elementor plugin installed and Complianz configured with the Twitter or Facebook cookie/script blocker enabled.

Affected WordPress components

  • Complianz GDPR/CCPA Cookie Consent Banner Plugin · complianz-gdpr
    Confirmed match Active
    Up to and including 7.5.4
    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 7.5.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/class-cookie-blocker.php#L458
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/class-cookie-blocker.php#L828
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/functions.php#L1232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/integrations/plugins/elementor.php#L188
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/integrations/plugins/elementor.php#L206
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.3.1/integrations/plugins/elementor.php#L213
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3686618/complianz-gdpr/trunk/integrations/plugins/elementor.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3686656%40complianz-gdpr%2Ftags%2F7.5.5&old=3674116%40complianz-gdpr%2Ftags%2F7.5.4
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3686656%40complianz-gdpr%2Ftrunk&old=3674116%40complianz-gdpr%2Ftrunk
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c53da813-0376-4c61-bfe0-fd8a2c946937?source=cve
  • nvd.nist.gov Official NVD record