CVE-2026-18441 Information disclosure in Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Unauthenticated attackers can disclose customer PII by enumerating IDs when guest checkout is enabled 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-2026-18441?
CVE-2026-18441 is a medium-severity vulnerability in Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress, published on 17 Sep 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 in all versions up to, and including, 5.6.9 via the set_customer_object due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate arbitrary customer records and disclose personally identifiable information - including first name, last name, email address, and phone number - by iterating the customer[id] parameter. This issue is exploitable only when the site is configured with customer authentication disabled (guest checkout enabled).
Weakness: CWE-639
Which versions are affected by CVE-2026-18441?
How do I fix CVE-2026-18441?
No fix has been published for CVE-2026-18441 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18441 being exploited?
There is no known exploitation of CVE-2026-18441 in the wild and no public exploit code.
Sources
Also known as GHSA-54gg-9j3p-7mx3.