CVE-2026-77009 WatchMan-Site7 3.1.1 - 4.2.0 - Subscriber+ RCE via Debug Console
Authenticated users can execute arbitrary PHP code via an unrestricted debug console in the WatchMan-Site7 WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77009?
CVE-2026-77009 is a critical code injection vulnerability in Unknown WatchMan-Site7, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WatchMan-Site7 WordPress plugin through 4.2.0 does not restrict access to its debugging console, which executes user-supplied PHP code, allowing any authenticated user, such as a subscriber, to run arbitrary code on the server.
Weakness: CWE-94
Which versions are affected by CVE-2026-77009?
How do I fix CVE-2026-77009?
No fix has been published for CVE-2026-77009 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-77009 being exploited?
There is no known exploitation of CVE-2026-77009 in the wild and no public exploit code.
Sources
Also known as GHSA-j83j-cm7x-4gpc.