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Vulnerability record · CVE-2026-13360 · published 15 August 2026

CVE-2026-13360: Cross-site scripting vulnerability

The Cookie Banner for GDPR / CCPA – WPLP Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'regionArray' parameter in all versions up to, and including, 4.3.5 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. Successful exploitation requires that the site administrator has enabled the 'Support Google Consent Mode (GCM)' setting, which is disabled by default. Additionally, the AJAX handler performs no nonce or capability check, allowing any authenticated user including those with Subscriber-level access to overwrite the affected plugin setting.

7.2 CVSS 3.1 High EPSS 0.43% · top 65.4% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
20 Aug 2026Last modified by NVD

Description

The Cookie Banner for GDPR / CCPA – WPLP Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'regionArray' parameter in all versions up to, and including, 4.3.5 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. Successful exploitation requires that the site administrator has enabled the 'Support Google Consent Mode (GCM)' setting, which is disabled by default. Additionally, the AJAX handler performs no nonce or capability check, allowing any authenticated user including those with Subscriber-level access to overwrite the affected plugin setting.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.2.7/admin/class-gdpr-cookie-consent-admin.php#L496
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.2.7/includes/class-gdpr-cookie-consent.php#L245
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.2.7/public/class-gdpr-cookie-consent-public.php#L2
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.3.5/admin/class-gdpr-cookie-consent-admin.php#L496
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.3.5/includes/class-gdpr-cookie-consent.php#L245
https://plugins.trac.wordpress.org/browser/gdpr-cookie-consent/tags/4.3.5/public/class-gdpr-cookie-consent-public.php#L2
https://plugins.trac.wordpress.org/changeset/3641387/gdpr-cookie-consent/tags/4.4.0/admin/class-gdpr-cookie-consent-admi
https://www.wordfence.com/threat-intel/vulnerabilities/id/bba8007f-7254-4201-8f94-7bf921a33a27?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-13360), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.