Auth bypass in Booking For Appointments And Events Calendar

CVE-2026-77704

The Booking for Appointments and Events Calendar WordPress plugin before 2.4.9 does not check that a user holds the required capability before letting them change an appointment's status, allowing customers to set arbitrary statuses on appointments they are booked on, including approving their own bookings that were left awaiting approval and overwriting another customer's booking status on a shared appointment.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-77704: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Booking For Appointments And Events Calendar

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77704?
CVE-2026-77704 is a low-severity vulnerability in Booking For Appointments And Events Calendar, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2026-08-29.
How severe is CVE-2026-77704?
Low severity. CVSS v3 base score is 2.7 out of 10.