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CVE-2026-78478 – Unauthenticated Local File Inclusion / RCE – Mane (Måne) WordPress Theme ≤ 1.7

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Summary

CVE-2026-78478 is a Local File Inclusion (LFI) vulnerability in the Mane WordPress theme (developed by Elated-Themes), affecting all versions up to and including 1.7. The flaw allows unauthenticated attackers to include and execute arbitrary files on the server, enabling execution of any PHP code contained in those files. It carries a CVSS v3.1 base score of 8.1 (High).

Technical details

  • Root cause: Improper control of filename/path used in a PHP include/require statement (CWE-98) within the Mane theme codebase.
  • Trigger conditions: No authentication is required; an attacker can supply a crafted file path to a vulnerable theme parameter to force the server to include an arbitrary file.
  • Attack vector: Network — exploitable remotely over HTTP(S) against any internet-facing WordPress site running the vulnerable theme.
  • Impact: If an attacker can get PHP code onto the server (e.g., via file upload, log poisoning, or a locally accessible file), the LFI can be leveraged to execute arbitrary PHP code, leading to full site compromise, data exposure, and integrity/availability impact (CVSS impact: Confidentiality High, Integrity High, Availability High).

Affected software

  • Mane WordPress Theme (Elated-Themes) — all versions through 1.7 (0 – 1.7 inclusive)

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: No patched version of the Mane theme has been confirmed publicly as of this writing. Check with Elated-Themes/ThemeForest for an updated release addressing CVE-2026-78478 and apply it as soon as it is available.
  • If no patch is available:
    • Temporarily deactivate or remove the Mane theme from production sites, or restrict public access until a fix is released.
    • Deploy a Web Application Firewall (WAF) rule to block path traversal / file-inclusion patterns targeting theme parameters.
    • Restrict PHP execution in upload and cache directories to prevent chained exploitation via file inclusion.
    • Monitor web server and PHP error logs for unusual include/require paths or file-inclusion attempts.

References

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