CVE-2026-13414 CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cmp_disable_comingsoon_ajax
Unauthenticated attackers can disable maintenance mode in the CMP WordPress plugin when a specific countdown configuration is active.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13414?
CVE-2026-13414 is a medium-severity missing authorization vulnerability in Unknown CMP, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-13414?
How do I fix CVE-2026-13414?
No fix has been published for CVE-2026-13414 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-13414 being exploited?
There is no known exploitation of CVE-2026-13414 in the wild and no public exploit code.
Sources
Also known as GHSA-6c47-jwpm-32qx.