CVE-2026-27384
CRITICAL
2026-03-05
[email protected]
9.0
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 06:16 nvd
CRITICAL 9.0
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.
Analysis
Input quantity validation bypass in W3 Total Cache WordPress plugin.
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Remediation
Within 24 hours: Audit all sites running W3 Total Cache ≤2.9.1 and document affected instances. Within 7 days: Implement compensating controls listed below; consider temporarily disabling the plugin on non-critical sites if updates are unavailable. …
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Priority Score
45
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +45
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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