CVE-2026-13414
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability—
ProductCMP
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- CMP4.1.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| CMP | v < 4.1.18 | 4.1.18 |
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