What is CVE-2026-2230?

CVE-2026-2230 is a medium-severity vulnerability in Wpdevelop Booking Calendar, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-18.

How severe is CVE-2026-2230?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wpdevelop Booking Calendar

CVE-2026-2230

The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users' plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Wpdevelop Booking Calendar — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-2230?: CVE-2026-2230 is a medium-severity vulnerability in Wpdevelop Booking Calendar, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-18.
How severe is CVE-2026-2230?: Medium severity. CVSS v3 base score is 4.3 out of 10.