CVE-2026-91050 Missing authorization in Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Attackers can create unauthorized bookings and read sensitive customer data by manipulating order item IDs in the LatePoint 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-2026-91050?
CVE-2026-91050 is a medium-severity missing authorization vulnerability in Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress, published on 10 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference / Missing Authorization in versions up to, and including, 5.7.2. This is due to the publicly reachable steps__start and steps__load_step routes accepting a params[presets][order_item_id] value that is copied verbatim into the booking object without verifying that the referenced order item belongs to the current customer, is a bundle item, is paid, or has remaining capacity — the is_bundle_scheduling() bundle discriminator is a mere !empty(order_item_id) truthiness check, and the code flow explicitly removes the customer and payment steps when this is truthy (the source even carries a TODO acknowledging the missing validation). This makes it possible for unauthenticated attackers to create approved appointments against other customers' order items and to read those customers' names, email addresses, and order codes returned in the booking confirmation.
Weakness: CWE-639
Which versions are affected by CVE-2026-91050?
How do I fix CVE-2026-91050?
No fix has been published for CVE-2026-91050 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-2026-91050 being exploited?
There is no known exploitation of CVE-2026-91050 in the wild and no public exploit code.
Sources
Also known as GHSA-6mxr-h5c6-c7fc.