CVE-2026-27384

W3 Total Cache <= 2.9.1 - Unauthenticated Arbitrary Code Execution

criticalImproper Control of Generation of Code ('Code Injection')

9.8

CVSS Score

9.8

CVSS Score

critical

Severity

2.9.2

Patched in

11d

Time to patch

Description

The W3 Total Cache plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.9.1. This makes it possible for unauthenticated attackers to execute code on the server.

CVSS Vector Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

High

Confidentiality

High

Integrity

High

Availability

Technical Details

Affected versions<=2.9.1

PublishedFebruary 24, 2026

Last updatedMarch 6, 2026

Affected pluginw3-total-cache

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/f4ff4114-c1ed-47df-9e7c-f34f1a422ffe?source=api-prod

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