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Verdure Core CVE-2026-66671

| EUVDEUVD-2026-64789 HIGH
PHP Remote File Inclusion (CWE-98)
2026-08-24 Patchstack GHSA-w62x-725c-34v9
8.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
6.5 MEDIUM

LFI primarily yields confidentiality impact (C:H for file reads); I:L and A:N reflect that RCE escalation is a secondary chain not inherent to the base vulnerability.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
4.0 AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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
Aug 24, 2026 - 12:24 vuln.today
CVE Published
Aug 24, 2026 - 11:54 cve.org
HIGH 8.1

DescriptionCVE.org

Unauthenticated Local File Inclusion in Verdure Core <= 1.2 versions.

AnalysisAI

Local File Inclusion in the Verdure Core WordPress plugin (versions ≤ 1.2) allows unauthenticated remote attackers to include arbitrary files from the server's filesystem by passing unsanitized input to PHP include/require statements. Successful exploitation can expose sensitive server files such as wp-config.php - disclosing database credentials - and, under certain PHP configurations, may enable remote code execution through log poisoning or PHP wrapper abuse. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site running Verdure Core ≤ 1.2
Delivery
Send unauthenticated crafted HTTP request
Exploit
Trigger unsanitized file-path parameter
Execution
Traverse filesystem via path sequences
Persist
Include sensitive file (wp-config.php or logs)
Impact
Extract credentials or execute injected PHP code

Vulnerability AssessmentAI

Exploitation The vulnerability requires no authentication (PR:N confirmed by CVSS vector) and no user interaction (UI:N), but attack complexity is rated High (AC:H), meaning exploitation is not straightforward against arbitrary targets and likely depends on specific server-side conditions such as particular PHP configuration settings, a writable log file accessible via the include path, or a non-default parameter state within the plugin. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS 3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects an unauthenticated network-exploitable flaw with full CIA impact, but the AC:H (High Attack Complexity) metric is the critical moderating factor - exploitation is not trivial and likely requires specific server-side conditions or a multi-step chain. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker identifies a WordPress site running Verdure Core ≤ 1.2 via passive enumeration (e.g., plugin headers in source) and sends a crafted HTTP GET or POST request with a manipulated file-path parameter targeting a vulnerable inclusion point in the plugin. Under standard attack complexity conditions (AC:H), the attacker must meet a specific server or parameter condition - such as a particular request format or PHP configuration - to trigger successful file inclusion. …
Remediation Update the Verdure Core plugin to a version beyond 1.2 once a patched release is confirmed via the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/verdure-core/vulnerability/wordpress-verdure-core-plugin-1-2-local-file-inclusion-vulnerability) and the WordPress plugin repository. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all WordPress installations to identify those running Verdure Core plugin version 1.2 or earlier and document their status. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-66671 vulnerability details – vuln.today

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