---
id: CVE-2026-97339
title: >-
  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 s…
summary: >-
  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 s…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: complianz
product: Complianz GDPR/CCPA Cookie Consent Banner
affected:
  - gdpr_ccpa_cookie_consent_banner <= 7.5.5
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T17:18:01.900'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97339'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/class-cookie-blocker.php#L458
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/class-cookie-blocker.php#L828
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/integrations/plugins/yotu-wp.php#L18
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.5.5/integrations/plugins/yotu-wp.php#L7
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset/3743098/complianz-gdpr/trunk/integrations/plugins/yotu-wp.php
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/3c12e65c-eedf-4fc2-977a-7a07219ee1c2?source=cve
    label: security@wordfence.com
tags:
  - nvd
  - cve.org
epss: 0.00254
epssPercentile: 0.16939
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T16:19:14.118757Z'
ingestedAt: '2026-10-16T03:57:49.270Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.