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CVE-2026-12272

MEDIUM 5.3 CVSS 3.1
Published
October 16, 2026
Last modified
October 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-330
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

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.

Affected WordPress components

  • Lightweight Cookie Notice – Cookie Banner for Cookie Consent Plugin · lightweight-cookie-notice-free
    Confirmed match Active
    Up to and including 1.19
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • daext Lightweight Cookie Notice – Cookie Banner for Cookie Consent — Up to and including 1.19

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3584811/lightweight-cookie-notice-free/trunk/public/class-daextlwcnf-public.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/54e53420-aa89-49d6-9632-cba066c46a51?source=cve
  • nvd.nist.gov Official NVD record