CVE-2026-13414

CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cmp_disable_comingsoon_ajax

Published Aug 27, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
The CMP WordPress plugin before 4.1.18 does not perform authorization checks on one of its AJAX actions and relies on a nonce that is skipped for certain (and exposed to anonymous visitors on others), allowing unauthenticated attackers to disable the site's maintenance/coming-soon mode under a non-default countdown configuration.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions cmp
Vendors & Products Wordpress-extensions
Wordpress-extensions cmp
Type Values Removed Values Added
Weaknesses CWE-284
CWE-306
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
CWE-306
Type Values Removed Values Added
Description The CMP WordPress plugin before 4.1.18 does not perform authorization checks on one of its AJAX actions and relies on a nonce that is skipped for certain (and exposed to anonymous visitors on others), allowing unauthenticated attackers to disable the site's maintenance/coming-soon mode under a non-default countdown configuration.
Title CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cmp_disable_comingsoon_ajax
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 27, 2026, 2:23 PM
Reserved
Jun 26, 2026, 11:40 AM
Status
Deferred
Published
Aug 27, 2026, 6:16 AM
Modified
Aug 28, 2026, 6:43 PM