CVE-2026-27384CWE-1284

WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability

Critical · published March 5, 2026

CVSS v3.1
9.0
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00457 · 38.7th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2026-03-05T05:53Z
EPSS history
Timeline
  • 05 MAR 05:53Z
    WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability
    cvelistv5