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Vulnerability record · CVE-2026-77233 · published 5 September 2026

CVE-2026-77233: Cross-site scripting vulnerability

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via AdSense Regex Rewrite in all versions up to, and including, 3.13.4 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. This vulnerability only manifests when the 'Secondary' parser engine is active (parser_engine=default); it does not exist under the default 'new' DOM-based parser engine.

7.2 CVSS 3.1 High EPSS 0.51% · top 59.0% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
8 Sep 2026Last modified by NVD

Description

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via AdSense Regex Rewrite in all versions up to, and including, 3.13.4 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. This vulnerability only manifests when the 'Secondary' parser engine is active (parser_engine=default); it does not exist under the default 'new' DOM-based parser engine.

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/iubenda-cookie-law-solution/tags/3.13.2/iubenda-cookie-class/iubenda.class.ph
https://plugins.trac.wordpress.org/browser/iubenda-cookie-law-solution/tags/3.13.2/iubenda-cookie-class/iubenda.class.ph
https://plugins.trac.wordpress.org/browser/iubenda-cookie-law-solution/tags/3.13.2/iubenda_cookie_solution.php#L986
https://plugins.trac.wordpress.org/browser/iubenda-cookie-law-solution/tags/3.13.3/iubenda-cookie-class/iubenda.class.ph
https://plugins.trac.wordpress.org/browser/iubenda-cookie-law-solution/tags/3.13.3/iubenda-cookie-class/iubenda.class.ph
https://plugins.trac.wordpress.org/browser/iubenda-cookie-law-solution/tags/3.13.3/iubenda_cookie_solution.php#L986
https://plugins.trac.wordpress.org/changeset/3675630/iubenda-cookie-law-solution/trunk/iubenda-cookie-class/iubenda.clas
https://plugins.trac.wordpress.org/changeset?old_path=%2Fiubenda-cookie-law-solution/tags/3.13.4&new_path=%2Fiubenda-coo
https://plugins.trac.wordpress.org/changeset?reponame=&new=3675630%40iubenda-cookie-law-solution%2Ftags%2F3.13.5&old=366
https://www.wordfence.com/threat-intel/vulnerabilities/id/af459f28-a058-42d3-8818-43603c6a14eb?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-77233), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.