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Medium 5.3Published Oct 16, 2026

CVE-2026-12272Lightweight Cookie Notice <= 1.19 - Sensitive Information Exposure via W3TC_DYNAMIC_SECURITY Constant

Updated under an hour ago ()

Does this affect you?

It affects daext Lightweight Cookie Notice – Cookie Banner for Cookie Consent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-330
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Wordfence
NVD analysis
Deferred
Record last updated
Oct 16, 2026
First seen by InfoSec Signals
Oct 16, 2026

Affected products

Affected products
daext Lightweight Cookie Notice – Cookie Banner for Cookie Consent
daext:lightweight_cookie_notice_cookie_banner_for_cookie_consent (from the name)
through 1.19
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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