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CVE-2026-66671 – Unauthenticated Local File Inclusion – Verdure Core WordPress Plugin (≤ 1.2)

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Summary

CVE-2026-66671 is an unauthenticated Local File Inclusion (LFI) vulnerability in the Verdure Core WordPress plugin, developed by Elated-Themes, affecting versions 1.2 and earlier. The flaw allows a remote, unauthenticated attacker to cause the plugin to include arbitrary files on the server, and it carries a High CVSS v3.1 base score of 8.1.

Technical details

  • Root cause: Improper control of filename/path used in a PHP include/require statement (CWE-98), allowing attacker-influenced input to determine which file is included by the plugin.
  • Trigger conditions: No authentication or user interaction is required; the affected code path is reachable directly over the network on any site running the vulnerable plugin version.
  • Attack vector: Network (AV:N), with high attack complexity (AC:H) and no privileges required (PR:N).
  • Impact: Successful exploitation can result in disclosure of sensitive local files and, depending on server configuration, may enable further code execution — reflected in high impact to confidentiality, integrity, and availability (C:H/I:H/A:H).

Affected software

  • Verdure Core WordPress plugin (by Elated-Themes), versions ≤ 1.2

Severity

  • CVSS v3.1 Base Score: 8.1 (High)
  • Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Update Verdure Core to a version newer than 1.2 as soon as a fixed release is published by the vendor.
  • If no patch is available: Restrict or disable the Verdure Core plugin until a fix is released; review web server and PHP configuration to disable remote file inclusion and restrict access to sensitive local files; monitor web server logs for unusual file-path parameters in requests to the plugin.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw response body: /wp-content/plugins/verdure-core/

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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