CVE-2026-27991

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 ThemeREX Avventure avventure allows PHP Local File Inclusion.This issue affects Avventure: from n/a through <= 1.1.12.

Analysis

ThemeREX Avventure versions 1.1.12 and earlier contain a local file inclusion vulnerability in PHP file handling that allows unauthenticated attackers to read arbitrary files on the server. The vulnerability stems from improper validation of filenames in include/require statements, enabling attackers to traverse directories and access sensitive information. …

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Remediation

Within 24 hours: Immediately identify all WordPress instances running Avventure theme and document affected versions. Within 7 days: Implement WAF rules to block suspicious file inclusion patterns, apply input validation rules, and disable theme if not critical to operations. …

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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-2026-27991 vulnerability details – vuln.today
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