CVE-2026-11398: The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.6.1. This is
The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to modify the personally identifiable information (first name, last name, phone number, and notes) of any existing customer record, including those linked to administrator accounts, by submitting the booking form with a known customer's email address. Exploitation requires the plugin to be configured with guest bookings enabled (is_customer_auth_disabled() returning true), which is necessary for the vulnerable unauthenticated code path in process_step_customer() to be reached.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-11398
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-113980.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-11398 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for LatePoint
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-5356: The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vul…nvd · 2026-07-08
- mediumCVE-2026-12657: The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vu…nvd · 2026-07-02
- highCVE-2026-13228: The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vu…nvd · 2026-07-01
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