What is GHSA-fhhf-9f5f-hv7p?

GHSA-fhhf-9f5f-hv7p is a security advisory published by GitHub Security Advisories with Medium severity. The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on...

Which CVE IDs does GHSA-fhhf-9f5f-hv7p cover?

GHSA-fhhf-9f5f-hv7p covers the following CVE IDs: CVE-2026-11866. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fhhf-9f5f-hv7p?

GHSA-fhhf-9f5f-hv7p has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-fhhf-9f5f-hv7pMediumCVSS 5.4

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on...

Vendor

GitHub Security Advisories

Published

July 16, 2026

Last Modified

July 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-11866 →

📋 Description

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the connected payment gateway, via Cross-Site Request Forgery against a logged-in administrator.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-11866
https://wpscan.com/vulnerability/84e936b8-1978-4dc3-aa40-5ce49bfdc445
https://github.com/advisories/GHSA-fhhf-9f5f-hv7p