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CVE-2026-32464 – Unauthenticated Local File Inclusion – Theme Test Drive WordPress Plugin (<= 2.9.1)

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Summary

CVE-2026-32464 is an unauthenticated Local File Inclusion (LFI) vulnerability affecting the Theme Test Drive WordPress plugin, developed by Vladimir Prelovac, in versions up to and including 2.9.1. The flaw stems from improper control of filenames used in PHP include/require statements, allowing an unauthenticated attacker to force the plugin to include arbitrary local files on the server. With a CVSS v3.1 base score of 8.1 (High), the vulnerability poses a significant risk to confidentiality, integrity, and availability of affected WordPress sites.

Technical details

  • Root cause: The plugin fails to properly sanitize or validate file paths passed into PHP include/require statements (CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program).
  • Trigger conditions: No authentication or user interaction is required; the vulnerable code path can be reached directly by a remote, unauthenticated attacker.
  • Attack vector: Network — exploitable remotely over HTTP(S) against any WordPress installation running the vulnerable plugin version.
  • Impact: Successful exploitation can allow inclusion and execution of arbitrary local files, potentially exposing sensitive server-side data, and — depending on server configuration (e.g., availability of log poisoning or file upload vectors) — may lead to remote code execution, full compromise of confidentiality, integrity, and availability of the site.
  • Attack complexity: Rated High, indicating exploitation may require specific conditions or knowledge of the target environment to succeed reliably.

Affected software

  • Theme Test Drive (WordPress plugin) — all versions up to and including 2.9.1

Severity

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

Mitigation and recommended actions

  • Immediate: Upgrade Theme Test Drive to a version newer than 2.9.1 that addresses this Local File Inclusion issue as soon as a fixed release is made available by the plugin vendor.
  • If no patch is available:
    • Disable and remove the Theme Test Drive plugin until a patched version is released.
    • Restrict direct access to the plugin’s PHP files at the web server or WAF level.
    • Monitor web server logs for anomalous requests attempting path traversal or file inclusion patterns (e.g., ../, php://, wrapper schemes) targeting the plugin.
    • Ensure PHP settings such as allow_url_include are disabled to reduce exploitation potential for remote file inclusion variants.

References

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