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CVE-2023-2159

MEDIUM 5.3 CVSS 3.1
Published
June 9, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-284
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The CMP – Coming Soon & Maintenance plugin for WordPress is vulnerable to Maintenance Mode Bypass in versions up to, and including, 4.1.7. A correct cmp_bypass GET parameter in the URL (equal to the md5-hashed home_url in the default setting) allows users to visit a site placed in maintenance mode thus bypassing the plugin's provided feature.

Affected WordPress components

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

  • niteo CMP – Coming Soon & Maintenance Plugin by NiteoThemes — Up to and including 4.1.7
  • niteothemes cmp — Before 4.1.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cmp-coming-soon-maintenance/tags/4.1.6/niteo-cmp.php#L808 Exploit
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2900571/cmp-coming-soon-maintenance/tags/4.1.8/cmp-advanced.php?old=2873620&old_path=cmp-coming-soon-maintenance%2Ftags%2F4.1.7%2Fcmp-advanced.php Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/af955f69-b18c-446e-b05e-6a57a5f16dfa?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record