CVE-2026-22421

HIGH
2026-03-05 [email protected]
8.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
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
HIGH 8.1

Tags

PHP Lfi

Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Quantum quantum allows PHP Local File Inclusion.This issue affects Quantum: from n/a through <= 1.0.

Analysis

AncoraThemes Quantum theme versions up to 1.0 contain a local file inclusion vulnerability that enables attackers to read arbitrary files from the server through improper input validation in file inclusion functions. An unauthenticated remote attacker can exploit this to access sensitive configuration files and potentially execute arbitrary code on affected WordPress installations. …

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Remediation

Within 24 hours: Identify and inventory all systems running AncoraThemes Quantum and isolate affected instances from production if possible. Within 7 days: Implement Web Application Firewall (WAF) rules to block file inclusion attempts and restrict theme functionality to trusted users only. …

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Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +40
POC: 0

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CVE-2026-22421 vulnerability details – vuln.today
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