by Kastro
Paper/Archive/CVE-2026-27384

CVE-2026-27384

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

EPSS 0.4%CVSS 9.0
critical.is priorityof 100
33
CVSS 9.0 (CNA, ADP agree)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 29.4.294 × 205.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
W3 Total Cache≤ 2.9.1–CNA

Scores by source

CISA ADP9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Patchstack (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refpatchstack.com/database/Wordpress/Plugin/w3-total-cache/vulnerability/wordpress-w3-total-cache-plugin-2-9-1-arbitrary-code-execution-vulnerability?_s_id=cve