What is CVE-2026-77233?

CVE-2026-77233 is a high-severity vulnerability, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-09-05.

How severe is CVE-2026-77233?

High severity. CVSS v3 base score is 7.2 out of 10.

CVE-2026-77233

CVE-2026-77233

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-77233?: CVE-2026-77233 is a high-severity vulnerability, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-09-05.
How severe is CVE-2026-77233?: High severity. CVSS v3 base score is 7.2 out of 10.