CVE-2026-11866 LatePoint < 5.6.3 - Multiple Privileged Actions via CSRF
Attackers can perform privileged actions like overwriting configurations or disconnecting payment gateways via CSRF against logged-in administrators.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-11866?
CVE-2026-11866 is a medium-severity vulnerability in Unknown Appointment Booking Plugin, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the connected payment gateway, via Cross-Site Request Forgery against a logged-in administrator.
Weakness: CWE-352
Which versions are affected by CVE-2026-11866?
How do I fix CVE-2026-11866?
No fix has been published for CVE-2026-11866 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-11866 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11866 exists.
Sources
Also known as GHSA-fhhf-9f5f-hv7p.