cvedb.io
CVE-2026-6518
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2026-04-18T05:16:24.377 · Last modified 2026-06-17T11:00:55.147

Summary

The CMP – Coming Soon & Maintenance Plugin by NiteoThemes plugin for WordPress is vulnerable to arbitrary file upload and remote code execution in all versions up to, and including, 4.1.16 via the `cmp_theme_update_install` AJAX action. This is due to the function only checking for the `publish_pages` capability (available to Editors and above) instead of `manage_options` (Administrators only), combined with a lack of proper validation on the user-supplied file URL and no verification of the downloaded file's content before extraction. This makes it possible for authenticated attackers, with Administrator-level access and above, to force the server to download and extract a malicious ZIP file from a remote attacker-controlled URL into a web-accessible directory (`wp-content/plugins/cmp-pre

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.