What is CVE-2026-12272?

CVE-2026-12272 is a medium-severity vulnerability in Daext Lightweight Cookie Notice – Banner For Consent, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2026-10-16.

How severe is CVE-2026-12272?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Daext Lightweight Cookie Notice – Banner For Consent

CVE-2026-12272

The Lightweight Cookie Notice – Cookie Banner for Cookie Consent plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.19 This is due to the W3TC_DYNAMIC_SECURITY constant being hardcoded to a publicly known value. This makes it possible for unauthenticated attackers to know the W3 Total Cache mfunc security key, which when W3 Total Cache is installed may allow arbitrary PHP code injection.

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Daext Lightweight Cookie Notice – Banner For Consent

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

Frequently asked questions

What is CVE-2026-12272?: CVE-2026-12272 is a medium-severity vulnerability in Daext Lightweight Cookie Notice – Banner For Consent, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2026-10-16.
How severe is CVE-2026-12272?: Medium severity. CVSS v3 base score is 5.3 out of 10.