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CVE-2026-16601

HIGH 8.8 CVSS 3.1
Published
August 25, 2026
Last modified
August 27, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The CM Map Locations – Visualize and share your locations in a few clicks plugin for WordPress is vulnerable to Limited Arbitrary File Upload in all versions up to, and including, 2.1.8 via the uploadMedia function. This is due to insufficient file type validation in the upload handler, which performs incomplete extension filtering without MIME-type checks or upload capability verification before passing attacker-supplied files to move_uploaded_file(). This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. The required nonce is exposed to any logged-in Subscriber via the CMLOC_Editor_Images JavaScript object on the front-end location editor page.

Affected WordPress components

  • CM Map Locations – Visualize and share your locations in a few clicks Plugin · cm-map-locations
    Confirmed match Active
    Up to and including 2.1.8
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • creativemindssolutions CM Map Locations – Visualize and share your locations in a few clicks — Up to and including 2.1.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cm-map-locations/tags/2.1.8/controller/DashboardController.php#L105
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cm-map-locations/tags/2.1.8/controller/DashboardController.php#L385
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cm-map-locations/tags/2.1.8/core/controller/Controller.php#L45
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cm-map-locations/tags/2.1.8/model/Attachment.php#L240
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cm-map-locations/tags/2.1.8/model/Route.php#L362
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3626848/cm-map-locations/trunk/controller/DashboardController.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Fcm-map-locations/tags/2.1.8&new_path=%2Fcm-map-locations/tags/2.1.9
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3626853%40cm-map-locations%2Ftags%2F2.1.9&old=3544748%40cm-map-locations%2Ftags%2F2.1.8
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/41308ae8-1b3d-4658-808d-630d6e673f3f?source=cve
  • nvd.nist.gov Official NVD record