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.
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Fixes
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References
History
Fri, 16 Oct 2026 05:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Lightweight Cookie Notice <= 1.19 - Sensitive Information Exposure via W3TC_DYNAMIC_SECURITY Constant | |
| Weaknesses | CWE-330 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-10-16T05:30:22.999Z
Reserved: 2026-06-15T11:05:15.749Z
Link: CVE-2026-12272
No data.
Status : Received
Published: 2026-10-16T06:17:09.910
Modified: 2026-10-16T06:17:09.910
Link: CVE-2026-12272
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OpenCVE Enrichment
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Weaknesses