What’s Vulnerable › Vulnerabilities
CVE-2026-13414: CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cmp_disable_comingsoon_ajax
- Severity: medium (CVSS 4.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-27 · updated 2026-08-28
- Weakness: CWE-862
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.
Affected products
- niteo CMP – Coming Soon & Maintenance Plugin by NiteoThemes: before 4.1.18 — fixed in 4.1.18
How to fix
Upgrade to a fixed version: niteo CMP – Coming Soon & Maintenance Plugin by NiteoThemes 4.1.18. Check the vendor advisory for mitigations.
References
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