Critical 9.0Published Mar 5, 2026

CVE-2026-27384WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability

Updated under an hour ago (Oct 27, 2026, 4:10 AM ET)

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It affects BoldGrid W3 Total Cache. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for BoldGrid W3 Total Cache

Exploited in the last 30 days

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.

CVSS: 9.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-1284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Apr 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

BoldGrid W3 Total Cache boldgrid:w3_total_cache (from the name)	through 2.9.1; fixed at 2.9.2	CNA record

References

References

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	vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.