CVE-2026-27384

CRITICAL

W3 Total Cache <=2.9.1 - Privilege Escalation

Title source: llm

Description

Improper Validation of Specified Quantity in Input vulnerability in BoldGrid W3 Total Cache w3-total-cache allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects W3 Total Cache: from n/a through <= 2.9.1.

References (1)

[Third Party Advisory] https://patchstack.com/database/Wordpress/Plugin/w3-total-cache/vulnerability/wordpress-w3-total-cache-plugin-2-9-1-arbitrary-code-execution-vulnerability?_s_id=cve

Scores

CVSS v3 9.0

EPSS 0.0008

EPSS Percentile 23.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-1284

Status published

Products (1)

BoldGrid/W3 Total Cache < 2.9.1

Published Mar 05, 2026

Tracked Since Mar 05, 2026